IP Library › Granted Patent US 1,079,433
Granted Patent S1
US 1,079,433 · App. 29/911,225 · Granted Jun 17, 2025

Knife blade

Inventors: Kyle Chumchal (Fletcher, NC); Anthony L. Marfione (Mills River, NC)
Assignee: Microtech Knives, Inc.
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 1,079,433
App. No.
29/911,225
Granted
Jun 17, 2025
Kind
S1
Claims (1)

The ornamental design for a knife blade, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 5, 2023
From: CHUMCHAL, KYLE; MARFIONE, ANTHONY LOUIS
To: MICROTECH KNIVES, INC.
Reel/Frame 064797/0905 →
References Cited (29)
US D409070S · Elishewitz · 1999 [cited by examiner]
US D426132S · Pardue · 2000 [cited by applicant]
US D435421S · Strider · 2000 [cited by examiner]
US D438442S · Osborne · 2001 [cited by applicant]
US D454768S · Onion · 2002 [cited by applicant]
US 7302760B2 · Lake · 2007 [cited by examiner]
US D595557S · Hawk · 2009 [cited by examiner]
US D686900S · Ohlrich · 2013 [cited by examiner]
US 9737997B1 · Marfione · 2017 [cited by examiner]
US D813623S · Marfione · 2018 [cited by applicant]
US D816457S · Demko · 2018 [cited by examiner]
US D895393S · Marfione · 2020 [cited by applicant]
US D896054S · Marfione · 2020 [cited by applicant]
US D896055S · Marfione · 2020 [cited by applicant]
US D898542S · Marfione et al. · 2020 [cited by applicant]
US D913073S · Chumchal · 2021 [cited by applicant]
US D1010419S · Terzuola · 2024 [cited by examiner]
US D1012659S · Terzuola · 2024 [cited by examiner]
US D1012662S · Marfione · 2024 [cited by examiner]
US D1015111S · Terzuola · 2024 [cited by examiner]
US D1016591S · Marfione · 2024 [cited by examiner]
US D1017368S · Marfione · 2024 [cited by examiner]
US D1019330S · Marfione · 2024 [cited by examiner]
US D1019331S · Marfione · 2024 [cited by examiner]
US D1027601S · Marfione · 2024 [cited by examiner]
US D1029608S · Marfione · 2024 [cited by examiner]
US D1056669S · Marfione · 2025 [cited by examiner]
US 20130047439A1 · Hawk · 2013 [cited by examiner]
Microtech UDT Knife, May 2019 on blade, https://www.jtknives.com/Microtech-L-UDT-Black_p_262.html#mz-expanded-view-960141967443. [cited by examiner]