IP Library › Granted Patent US 1,057,540
Granted Patent S1
US 1,057,540 · App. 29/878,933 · Granted Jan 14, 2025

Utility knife

Inventors: Scott M. Hangartner (Richfield, WI); Andrew M. Tuchscherer (Wauwatosa, WI)
Assignee: Milwaukee Electric Tool Corporation
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 1,057,540
App. No.
29/878,933
Granted
Jan 14, 2025
Kind
S1
Claims (1)

The ornamental design for a utility knife as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 21, 2023
From: HANGARTNER, SCOTT M.; TUCHSCHERER, ANDREW M.
To: MILWAUKEE ELECTRIC TOOL CORPORATION
Reel/Frame 064985/0226 →
Continuity (2)
Division 29795611 · Jun 18, 2021
Division 29703769 · Aug 29, 2019
References Cited (270)
US 23975A · Belcher · 1859 [cited by applicant]
US 226910A · Friebertshauser · 1880 [cited by applicant]
US 273858A · Korn · 1883 [cited by applicant]
US 462141A · Kruschke · 1891 [cited by applicant]
US 470605A · Schrade · 1892 [cited by applicant]
US 476245A · Bultzingslowen · 1892 [cited by applicant]
US 492620A · Balston · 1893 [cited by applicant]
US 530788A · Moritz · 1894 [cited by applicant]
US 551052A · Shonnard et al. · 1895 [cited by applicant]
US 553430A · Schmachtenberg · 1896 [cited by applicant]
US 592612A · Johnson · 1897 [cited by applicant]
US 730025A · Kaufmann · 1903 [cited by applicant]
US 812601A · Schrade · 1906 [cited by applicant]
US 845130A · Schrade · 1907 [cited by applicant]
US 1030058A · Doles · 1912 [cited by applicant]
US 1584165A · Brown · 1926 [cited by applicant]
US 1769093A · Wuesthoff · 1930 [cited by applicant]
US 1803899A · Fueller · 1931 [cited by applicant]
US 1810031A · Schrade · 1931 [cited by applicant]
US 2052741A · Bersted · 1936 [cited by applicant]
US 2183378A · Conklin · 1939 [cited by applicant]
US 2197136A · Share et al. · 1940 [cited by applicant]
US 2199430A · Greve · 1940 [cited by applicant]
US 2188762A · Schrade · 1940 [cited by applicant]
US 2261267A · Metz · 1941 [cited by applicant]
US 2263415A · Berg et al. · 1941 [cited by applicant]
US 2304601A · Schrade · 1942 [cited by applicant]
US 2407897A · Newman · 1946 [cited by applicant]
US 2530236A · Erickson · 1950 [cited by applicant]
US 2839831A · Baer · 1958 [cited by applicant]
US 2862482A · Hart · 1958 [cited by applicant]
US 3868774A · Miori · 1975 [cited by applicant]
US 4347665A · Glesser · 1982 [cited by applicant]
US 4451982A · Collins · 1984 [cited by applicant]
US 4719700A · Taylor, Jr. · 1988 [cited by applicant]
US 4730394A · Sonner, Jr. · 1988 [cited by applicant]
US 4773159A · Casazza, Jr. · 1988 [cited by applicant]
US 4811486A · Cunningham · 1989 [cited by applicant]
US 4858320A · Lemaire · 1989 [cited by applicant]
US 4893409A · Poehlmann · 1990 [cited by applicant]
US 4901439A · Boyd, Jr. · 1990 [cited by applicant]
US 5029354A · Boyd, Jr. et al. · 1991 [cited by applicant]
US 5095624A · Ennis · 1992 [cited by applicant]
US 5111581A · Collins · 1992 [cited by applicant]
US 5325588A · Rogers · 1994 [cited by applicant]
US 5379492A · Glesser · 1995 [cited by applicant]
US 5425175A · Rogers · 1995 [cited by applicant]
US 5438757A · Weschenfelder · 1995 [cited by applicant]
US 5485677A · Seber · 1996 [cited by applicant]
US 5495674A · Taylor, Jr. · 1996 [cited by applicant]
US 5501015A · Harvey · 1996 [cited by applicant]
US 5502895A · Lemaire · 1996 [cited by applicant]
US 5511310A · Sessions et al. · 1996 [cited by applicant]
US 5528831A · Frontenberry · 1996 [cited by applicant]
US 5537750A · Seber et al. · 1996 [cited by applicant]
US 5546662A · Seber et al. · 1996 [cited by applicant]
US 5572793A · Collins et al. · 1996 [cited by applicant]
US 5596808A · Lake et al. · 1997 [cited by applicant]
US 5615484A · Pittman · 1997 [cited by applicant]
US 5621973A · Seber et al. · 1997 [cited by applicant]
US 5704129A · Glesser · 1998 [cited by applicant]
US D392016S · Balolia · 1998 [cited by applicant]
US 5722168A · Huang · 1998 [cited by applicant]
US 5737841A · McHenry et al. · 1998 [cited by applicant]
US 5794346A · Seber et al. · 1998 [cited by applicant]
US 5802722A · Maxey et al. · 1998 [cited by applicant]
US 5815927A · Collins · 1998 [cited by applicant]
US 5819414A · Marifone · 1998 [cited by applicant]
US 5826340A · Hull · 1998 [cited by applicant]
US 5964036A · Centofante · 1999 [cited by applicant]
US D420270S · Martone · 2000 [cited by examiner]
US D422872S · Thiebold · 2000 [cited by applicant]
US 6079106A · Vallotton · 2000 [cited by applicant]
US 6101724A · Halligan · 2000 [cited by applicant]
US 6122829A · McHenry et al. · 2000 [cited by applicant]
US 6145202A · Onion · 2000 [cited by applicant]
US D441827S · Frank · 2001 [cited by applicant]
US D442459S · Wilkinson · 2001 [cited by applicant]
US 6256888B1 · Shuen · 2001 [cited by applicant]
US D446571S · Frazer · 2001 [cited by applicant]
US 6276063B1 · Chen · 2001 [cited by applicant]
US 6305085B1 · Stallegger et al. · 2001 [cited by applicant]
US 6308420B1 · Moser · 2001 [cited by applicant]
US 6338431B1 · Onion · 2002 [cited by applicant]
US D454611S · Veltz et al. · 2002 [cited by applicant]
US 6360443B1 · Remus · 2002 [cited by applicant]
US 6363615B1 · Moser · 2002 [cited by applicant]
US 6378214B1 · Onion · 2002 [cited by applicant]
US 6397476B1 · Onion · 2002 [cited by applicant]
US 6427334B2 · Onion · 2002 [cited by applicant]
US 6427335B1 · Ralph · 2002 [cited by applicant]
US 6430816B2 · Neveux · 2002 [cited by applicant]
US 6434831B2 · Chen · 2002 [cited by applicant]
US 6438848B1 · McHenry et al. · 2002 [cited by applicant]
US D473911S · Green · 2003 [cited by applicant]
US 6553671B2 · Blanchard · 2003 [cited by applicant]
US 6574869B1 · McHenry et al. · 2003 [cited by applicant]
US 6591504B2 · Onion · 2003 [cited by applicant]
US 6598297B1 · Matt · 2003 [cited by applicant]
US D478957S · Rae et al. · 2003 [cited by applicant]
US 6651344B2 · Cheng · 2003 [cited by applicant]
US 6658743B2 · Dudley, Jr. et al. · 2003 [cited by applicant]
US 6688407B2 · Etter et al. · 2004 [cited by applicant]
US 6726072B2 · Rugh · 2004 [cited by applicant]
US 6729029B1 · Chu · 2004 [cited by applicant]
US 6732436B2 · Moizis · 2004 [cited by applicant]
US 6751868B2 · Glesser · 2004 [cited by applicant]
US 6763592B2 · Yu · 2004 [cited by applicant]
US 6810588B1 · Cheng · 2004 [cited by applicant]
US 6826836B1 · Lin · 2004 [cited by applicant]
US 6834432B1 · Taylor, Jr. · 2004 [cited by applicant]
US D502526S · Rae · 2005 [cited by applicant]
US 6895674B2 · Ai · 2005 [cited by applicant]
US D509419S · Chung · 2005 [cited by examiner]
US 6941661B2 · Frazer · 2005 [cited by applicant]
US D511288S · Brown · 2005 [cited by examiner]
US 7000323B1 · Hatcher et al. · 2006 [cited by applicant]
US 7007392B2 · Ping · 2006 [cited by applicant]
US 7013569B2 · Holler · 2006 [cited by applicant]
US 7032315B1 · Busse · 2006 [cited by applicant]
US 7040022B2 · Ping · 2006 [cited by applicant]
US 7051441B2 · Carter, III · 2006 [cited by applicant]
US 7059053B2 · Sakai · 2006 [cited by applicant]
US 7062856B2 · Moser · 2006 [cited by applicant]
US 7086157B2 · Vallotton · 2006 [cited by applicant]
US 7107685B1 · Anderson · 2006 [cited by applicant]
US 7107686B2 · Linn et al. · 2006 [cited by applicant]
US 7121005B2 · Hughes · 2006 [cited by applicant]
US 7134207B2 · Ping · 2006 [cited by applicant]
US 7140110B2 · Lake · 2006 [cited by applicant]
US 7143841B2 · Etter et al. · 2006 [cited by applicant]
US 7165329B2 · Koa · 2007 [cited by applicant]
US 7181849B2 · Menter · 2007 [cited by applicant]
US 7214127B1 · Thompson et al. · 2007 [cited by applicant]
US 7243430B1 · Lerch · 2007 [cited by applicant]
US 7246441B1 · Collins · 2007 [cited by applicant]
US D553466S · Powers · 2007 [cited by applicant]
US 7275321B2 · Cheng · 2007 [cited by applicant]
US 7284329B1 · King · 2007 [cited by applicant]
US 7293360B2 · Steigerwalt et al. · 2007 [cited by applicant]
US D558555S · Huang · 2008 [cited by examiner]
US D559939S · Veff, III · 2008 [cited by applicant]
US 7313866B2 · Linn et al. · 2008 [cited by applicant]
US D561295S · Taylor · 2008 [cited by applicant]
US D562932S · Taylor · 2008 [cited by applicant]
US 7325312B1 · Janich · 2008 [cited by applicant]
US 7340837B1 · Busse · 2008 [cited by applicant]
US 7340838B2 · Onion · 2008 [cited by applicant]
US 7367089B2 · Cooke et al. · 2008 [cited by applicant]
US D572107S · Maraia · 2008 [cited by examiner]
US 7421751B2 · Ruggiero · 2008 [cited by applicant]
US 7437822B2 · Flagg et al. · 2008 [cited by applicant]
US D580251S · Watson · 2008 [cited by applicant]
US 7451545B2 · Voros · 2008 [cited by applicant]
US 7458159B2 · Galyean et al. · 2008 [cited by applicant]
US 7469476B2 · Demko · 2008 [cited by applicant]
US 7506446B2 · Onion · 2009 [cited by applicant]
US 7513044B2 · Lake · 2009 [cited by applicant]
US 7513045B2 · Kain · 2009 [cited by applicant]
US 7555839B2 · Koelewyn · 2009 [cited by applicant]
US 7562454B2 · Steigerwalt et al. · 2009 [cited by applicant]
US 7578064B2 · Busse · 2009 [cited by applicant]
US D602326S · Garcia et al. · 2009 [cited by applicant]
US 7634858B1 · Frazer · 2009 [cited by applicant]
US 7647701B1 · Mollick et al. · 2010 [cited by applicant]
US 7676932B2 · Grice · 2010 [cited by applicant]
US RE41259E · McHenry et al. · 2010 [cited by applicant]
US 7698821B2 · Ralph · 2010 [cited by applicant]
US 7748122B2 · Duey · 2010 [cited by applicant]
US 7752759B2 · Perreault · 2010 [cited by applicant]
US D621678S · Huang · 2010 [cited by applicant]
US D622805S · Bloch · 2010 [cited by applicant]
US 7774939B1 · Onion · 2010 [cited by applicant]
US 7774940B2 · Frank · 2010 [cited by applicant]
US 7779497B2 · Chiu et al. · 2010 [cited by applicant]
US 7814664B2 · LeBlanc · 2010 [cited by applicant]
US 7827697B2 · Lake · 2010 [cited by applicant]
US 7854067B2 · Lake · 2010 [cited by applicant]
US 7913398B2 · Chu · 2011 [cited by applicant]
US D636052S · Freeman et al. · 2011 [cited by applicant]
US 7918028B2 · Steigerwalt et al. · 2011 [cited by applicant]
US D638904S · Freeman et al. · 2011 [cited by applicant]
US 7979990B2 · Hawk et al. · 2011 [cited by applicant]
US D642888S · Port et al. · 2011 [cited by applicant]
US 8021216B1 · Moore · 2011 [cited by applicant]
US 8028419B2 · VanHoy · 2011 [cited by applicant]
US 8037612B2 · Hansen et al. · 2011 [cited by applicant]
US 8042276B2 · Lerch et al. · 2011 [cited by applicant]
US RE42906E · Onion · 2011 [cited by applicant]
US 8046923B2 · Liu · 2011 [cited by applicant]
US D653520S · Chang · 2012 [cited by applicant]
US 8112894B2 · Caswell · 2012 [cited by applicant]
US D657435S · Wilke · 2012 [cited by applicant]
US 8161653B2 · Nenadic · 2012 [cited by applicant]
US D660676S · Yang-Fu · 2012 [cited by applicant]
US 8171645B2 · Duey · 2012 [cited by applicant]
US 8186065B2 · Onion · 2012 [cited by applicant]
US 8215021B2 · Seber et al. · 2012 [cited by applicant]
US 8286356B1 · Mollick et al. · 2012 [cited by applicant]
US 8291597B2 · Hawk et al. · 2012 [cited by applicant]
US 8296958B1 · Frazer · 2012 [cited by applicant]
US 8375589B2 · Bermer et al. · 2013 [cited by applicant]
US D691018S · Robinson · 2013 [cited by applicant]
US D699090S · Kalajyan et al. · 2014 [cited by applicant]
US D703509S · Hyma · 2014 [cited by applicant]
US D703510S · Hyma · 2014 [cited by applicant]
US 9061426B2 · Harvey · 2015 [cited by applicant]
US D738182S · Parker et al. · 2015 [cited by applicant]
US 9352473B2 · Harvey · 2016 [cited by applicant]
US D779301S · Garavaglia · 2017 [cited by examiner]
US D793198S · Wang · 2017 [cited by examiner]
US D803024S · Wang · 2017 [cited by examiner]
US 10144139B2 · Squiers et al. · 2018 [cited by applicant]
US D840781S · Honadel · 2019 [cited by examiner]
US D881667S · Han · 2020 [cited by applicant]
US D896607S · Wang · 2020 [cited by examiner]
US D910410S · Chen · 2021 [cited by examiner]
US D922168S · Chen · 2021 [cited by examiner]
US 20020066187A1 · Jennings · 2002 [cited by applicant]
US 20020104220A1 · Marfione · 2002 [cited by applicant]
US 20040020058A1 · Vallotton · 2004 [cited by applicant]
US 20040103541A1 · Scarla · 2004 [cited by applicant]
US 20040134075A1 · Chu · 2004 [cited by applicant]
US 20040154169A1 · Mccann · 2004 [cited by applicant]
US 20040226174A1 · Etter et al. · 2004 [cited by applicant]
US 20050044717A1 · Nishihara · 2005 [cited by applicant]
US 20050072004A1 · Carter, III · 2005 [cited by applicant]
US 20050097755A1 · Galyean et al. · 2005 [cited by applicant]
US 20050172497A1 · Linn et al. · 2005 [cited by applicant]
US 20060064877A1 · Vallotton et al. · 2006 [cited by applicant]
US 20060080841A1 · Hatcher et al. · 2006 [cited by applicant]
US 20060248728A1 · Gibbs · 2006 [cited by applicant]
US 20070056169A1 · Cheng · 2007 [cited by applicant]
US 20070068002A1 · Onion · 2007 [cited by applicant]
US 20070125565A1 · Etter et al. · 2007 [cited by applicant]
US 20080028903A1 · Greenberg · 2008 [cited by applicant]
US 20080201953A1 · Bremer et al. · 2008 [cited by applicant]
US 20080222896A1 · Marfione et al. · 2008 [cited by applicant]
US 20080276462A1 · Kao · 2008 [cited by applicant]
US 20090013537A1 · Kao · 2009 [cited by applicant]
US 20090144986A1 · Frazer · 2009 [cited by applicant]
US 20090193664A1 · Galyean · 2009 [cited by applicant]
US 20090217533A1 · Kao · 2009 [cited by applicant]
US 20100083507A1 · Glesser · 2010 [cited by applicant]
US 20100101095A1 · Prasetya · 2010 [cited by applicant]
US 20100192381A1 · Sakai · 2010 [cited by applicant]
US 20100212163A1 · Liu · 2010 [cited by applicant]
US 20100275449A1 · Collard et al. · 2010 [cited by applicant]
US 20100299934A1 · VanHoy · 2010 [cited by applicant]
US 20110010947A1 · Freeman · 2011 [cited by applicant]
US 20110067246A1 · Perez · 2011 [cited by applicant]
US 20110099817A1 · Duey · 2011 [cited by applicant]
US 20120144677A1 · Chang · 2012 [cited by applicant]
US 20120159789A9 · Frazer · 2012 [cited by applicant]
US 20120234142A1 · Onion · 2012 [cited by applicant]
US 20130000129A1 · Huang · 2013 [cited by applicant]
US 20130305539A1 · Garavaglia · 2013 [cited by examiner]
US 20140250695A1 · Wagner · 2014 [cited by examiner]
US 20140373364A1 · Li · 2014 [cited by applicant]
US 20150258696A1 · Wang · 2015 [cited by examiner]
US 20160214264A1 · Garavaglia · 2016 [cited by examiner]
US 20170129112A1 · Ranieri · 2017 [cited by examiner]
US 20210039270A1 · Chen · 2021 [cited by examiner]
US 20220184826A1 · Chen · 2022 [cited by examiner]
US 20220234222A1 · Chen · 2022 [cited by examiner]
US 20230054559A1 · Su · 2023 [cited by examiner]
US 20230062460A1 · Hangartner · 2023 [cited by examiner]
US 20240033954A1 · Fauss · 2024 [cited by examiner]
WO WO2013184974 · 2013 [cited by applicant]
U.S. Appl. No. 29/703,774, filed Aug. 29, 2019, Hangartner et al. [cited by applicant]