IP Library Patent Application 09812685
Patent Application Utility
App. No. 09/812,685 · Confirmation No. 1889

OPTICAL WAVELENGTH FILTER

Inventor: Hideaki Okayama
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2012-06-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-06-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-06-12 PA.. Power of Attorney 1 View
2012-06-12 LET. Miscellaneous Incoming Letter 1 View
2012-06-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-06-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2003-09-30 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-07-18 LET. Miscellaneous Incoming Letter 2 View
2003-07-18 DRW Drawings-only black and white line drawings 10 View
2001-03-21 TRNA Transmittal of New Application 1 View
2001-03-21 SPEC Specification 43 View
2001-03-21 CLM Claims 3 View
2001-03-21 ABST Abstract 1 View
2001-03-21 DRW Drawings-only black and white line drawings 10 View
2001-03-21 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/812,685
Filed
2001-03-21
Granted
2003-12-16
Pub. No.
US20020015555A1
Art Unit
2877
PTA
-120 days