IP Library › Patent Application 10012042
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App. No. 10/012,042 · Confirmation No. 4912

SEMICONDUCTOR LASER DEVICE HAVING INGAAS COMPRESSIVE-STRAIN ACTIVE LAYER, GAASP TENSILE-STRAIN BARRIER LAYERS, AND INGAP OPTICAL WAVEGUIDE LAYERS

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
2001-12-11 TRNA Transmittal of New Application 1 View
2001-12-11 SPEC Specification 43 View
2001-12-11 CLM Claims 13 View
2001-12-11 ABST Abstract 1 View
2001-12-11 DRW Drawings-only black and white line drawings 11 View
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Quick Facts
App. No.
10/012,042
Filed
2001-12-11
Granted
2003-05-06
Pub. No.
US20020122447A1
Art Unit
2828
PTA
-76 days