IP Library Granted Patent US 6,761,657
Granted Patent Utility
US 6,761,657 · Confirmation No. 8453

ROLLER CHAIN SPROCKET WITH ADDED CHORDAL PITCH REDUCTION

Inventor: James D. Young
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Code Description Pages PDF
2022-02-18 OATH Oath or Declaration filed 7 View
2018-07-09 OATH Oath or Declaration filed 27 View
2018-04-05 OATH Oath or Declaration filed 9 View
2013-02-14 OATH Oath or Declaration filed 12 View
2012-10-08 OATH Oath or Declaration filed 14 View
2008-12-02 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-05-24 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-05-24 LET. Miscellaneous Incoming Letter 1 View
2001-12-04 TRNA Transmittal of New Application 1 View
2001-12-04 SPEC Specification 42 View
2001-12-04 CLM Claims 5 View
2001-12-04 ABST Abstract 1 View
2001-12-04 DRW Drawings-only black and white line drawings 33 View
2001-12-04 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,761,657
App. No.
10/004,544
Filed
2001-12-04
Granted
2004-07-13
Pub. No.
US20020132689A1
Art Unit
3682
PTA
-124 days