IP Library › Granted Patent US 6,643,065
Granted Patent Utility
US 6,643,065 · Confirmation No. 9287

VARIABLE SPACING DIFFRACTION GRATING

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 Code Description Pages PDF
2008-12-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-12-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-11-19 PA.. Power of Attorney 1 View
2008-11-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-11-19 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2003-07-31 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-31 LET. Miscellaneous Incoming Letter 4 View
2003-07-31 DRW Drawings-only black and white line drawings 7 View
2001-04-20 DRW Drawings-only black and white line drawings 7 View
2001-01-18 TRNA Transmittal of New Application 3 View
2001-01-18 SPEC Specification 14 View
2001-01-18 CLM Claims 2 View
2001-01-18 ABST Abstract 1 View
2001-01-18 DRW Drawings-only black and white line drawings 7 View
2001-01-18 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,643,065
App. No.
09/765,876
Filed
2001-01-18
Granted
2003-11-04
Art Unit
2872
PTA
-2 days