IP Library Patent Application 09826931
Patent Application Utility
App. No. 09/826,931 · Confirmation No. 3610

POLARIZATION INSENSITIVE GRATING IN A PLANAR CHANNEL OPTICAL WAVEGUIDE AND METHOD TO ACHIEVE THE SAME

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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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
2008-11-24 PA.. Power of Attorney 1 View
2008-11-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2008-11-24 C.AD Change of Address 1 View
2008-11-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-04-06 TRNA Transmittal of New Application 2 View
2001-04-06 A.PE Preliminary Amendment 10 View
2001-04-06 SPEC Specification 11 View
2001-04-06 CLM Claims 3 View
2001-04-06 ABST Abstract 1 View
2001-04-06 DRW Drawings-only black and white line drawings 4 View
2001-04-06 OATH Oath or Declaration filed 7 View
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Quick Facts
App. No.
09/826,931
Filed
2001-04-06
Granted
2002-04-16
Pub. No.
US20010014200A1
Art Unit
2874
PTA
0 days