IP Library › Granted Patent US 6,662,627
Granted Patent Utility Small
US 6,662,627 · Confirmation No. 1767

PHOTOACOUSTIC INSTRUMENT FOR MEASURING PARTICLES IN A GAS

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2016-11-14 OATH Oath or Declaration filed 7 View
2011-01-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-01-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-12-30 PA.. Power of Attorney 1 View
2010-12-30 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2010-12-30 C.AD Change of Address 1 View
2010-12-30 N417 Electronic Filing System Acknowledgment Receipt 2 View
2010-12-30 TRAN.LET Transmittal Letter 1 View
2003-10-24 LET. Miscellaneous Incoming Letter 2 View
2003-10-24 DRW Drawings-only black and white line drawings 4 View
2003-07-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-14 LET. Miscellaneous Incoming Letter 3 View
2003-07-14 C.AD Change of Address 1 View
2001-09-18 TRNA Transmittal of New Application 2 View
2001-09-18 DRW Drawings-only black and white line drawings 4 View
2001-06-22 TRNA Transmittal of New Application 4 View
2001-06-22 SPEC Specification 13 View
2001-06-22 CLM Claims 13 View
2001-06-22 ABST Abstract 1 View
2001-06-22 DRW Drawings-only black and white line drawings 4 View
2001-06-22 OATH Oath or Declaration filed 4 View
2001-06-22 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,662,627
App. No.
09/888,251
Filed
2001-06-22
Granted
2003-12-16
Pub. No.
US20020194897A1
Art Unit
2855
PTA
-36 days