IP Library › Patent Application 09880722
Patent Application Utility Small
App. No. 09/880,722 · Confirmation No. 6615

EVANESCENT OPTICAL COUPLING BETWEEN A WAVEGUIDE FORMED ON A SUBSTRATE AND A SIDE-POLISHED FIBER

Inventors: Shulai Zhao, Bo Pi
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
2003-07-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-21 LET. Miscellaneous Incoming Letter 1 View
2001-06-12 TRNA Transmittal of New Application 2 View
2001-06-12 SPEC Specification 41 View
2001-06-12 CLM Claims 16 View
2001-06-12 ABST Abstract 1 View
2001-06-12 DRW Drawings-only black and white line drawings 20 View
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Quick Facts
App. No.
09/880,722
Filed
2001-06-12
Granted
2003-09-23
Pub. No.
US20020076150A1
Art Unit
2874
PTA
-131 days