IP Library › Patent Application 09870925
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App. No. 09/870,925 · Confirmation No. 8700

FREE-SPACE DIFFRACTION MEASUREMENT OF A PHASE MASK FOR FABRICATION OF A WAVEGUIDE BRAGG GRATING

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2001-05-30 TRNA Transmittal of New Application 3 View
2001-05-30 SPEC Specification 15 View
2001-05-30 CLM Claims 5 View
2001-05-30 ABST Abstract 1 View
2001-05-30 DRW Drawings-only black and white line drawings 3 View
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Quick Facts
App. No.
09/870,925
Filed
2001-05-30
Granted
2003-03-11
Art Unit
2884
PTA
-191 days