IP Library › Granted Patent US 6,735,642
Granted Patent Utility
US 6,735,642 · Confirmation No. 8428

DMA DOORBELL

Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2011-10-12 PETDEC Petition Decision 1 View
2011-10-11 WFEE Fee Worksheet (SB06) 1 View
2011-09-26 LET. Miscellaneous Incoming Letter 1 View
2011-09-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-03-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-03-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-25 PA.. Power of Attorney 2 View
2009-02-25 C.AD Change of Address 2 View
2009-02-25 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2009-02-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-03-17 IFEE Issue Fee Payment (PTO-85B) 2 View
2004-03-17 PA.. Power of Attorney 1 View
2004-03-17 LET. Miscellaneous Incoming Letter 1 View
2004-03-17 DRW Drawings-only black and white line drawings 3 View
2001-05-31 TRNA Transmittal of New Application 1 View
2001-05-31 SPEC Specification 22 View
2001-05-31 CLM Claims 9 View
2001-05-31 ABST Abstract 1 View
2001-05-31 DRW Drawings-only black and white line drawings 3 View
2001-05-31 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,735,642
App. No.
09/870,016
Filed
2001-05-31
Granted
2004-05-11
Pub. No.
US20010049755A1
Art Unit
2182
PTA
-68 days