IP Library › Granted Patent US 6,561,740
Granted Patent Utility
US 6,561,740 · Confirmation No. 8580

AUTO RACK RAILROAD CAR PANEL BUMPER GUARD

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 Code Description Pages PDF
2019-10-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-10-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-10-09 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2019-10-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-10-09 TRAN.LET Transmittal Letter 1 View
2019-10-09 PA.. Power of Attorney 1 View
2009-05-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-05-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-05-11 PA.. Power of Attorney 2 View
2009-05-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-09-06 TRNA Transmittal of New Application 5 View
2001-09-06 SPEC Specification 13 View
2001-09-06 CLM Claims 7 View
2001-09-06 ABST Abstract 1 View
2001-09-06 DRW Drawings-only black and white line drawings 5 View
2001-09-06 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,561,740
App. No.
09/948,305
Filed
2001-09-06
Granted
2003-05-13
Art Unit
3612
PTA
-63 days