IP Library › Granted Patent US 6,562,480
Granted Patent Utility
US 6,562,480 · Confirmation No. 8073

WEAR RESISTANT COATING FOR PISTON RINGS

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 Code Description Pages PDF
2008-08-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-08-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-07-25 PA.. Power of Attorney 1 View
2008-07-25 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2008-07-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-01-10 TRNA Transmittal of New Application 12 View
2001-01-10 SPEC Specification 12 View
2001-01-10 CLM Claims 3 View
2001-01-10 ABST Abstract 1 View
2001-01-10 DRW Drawings-only black and white line drawings 3 View
2001-01-10 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,562,480
App. No.
09/757,891
Filed
2001-01-10
Granted
2003-05-13
Art Unit
1775
PTA
-51 days