IP Library Patent Application 09948179
Patent Application Utility Small
App. No. 09/948,179 · Confirmation No. 6483

METHOD AND APPARATUS FOR SWITCHING OPTICAL SIGNALS USING ROTATABLE OPTICALLY TRANSMISSIVE MICROSTRUCTURE

Inventor: Ying Wen Hsu
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
2003-12-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-22 LET. Miscellaneous Incoming Letter 1 View
2003-10-22 DRW Drawings-only black and white line drawings 9 View
2001-09-05 TRNA Transmittal of New Application 2 View
2001-09-05 SPEC Specification 26 View
2001-09-05 CLM Claims 10 View
2001-09-05 ABST Abstract 1 View
2001-09-05 DRW Drawings-only black and white line drawings 9 View
2001-09-05 OATH Oath or Declaration filed 3 View
2001-09-05 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
09/948,179
Filed
2001-09-05
Granted
2004-02-17
Pub. No.
US20020141684A1
Art Unit
2831
PTA
-119 days