IP Library Patent Application 10207803
Patent Application Utility
App. No. 10/207,803 · Confirmation No. 5145

PROCESS FOR PRODUCING SEMICONDUCTOR LASER ELEMENT INCLUDING S-ARROW STRUCTURE FORMED BY ETCHING THROUGH MASK HAVING PAIR OF PARALLEL OPENINGS

Inventor: Kenji Matumoto
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
2004-01-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-07-31 TRNA Transmittal of New Application 1 View
2002-07-31 SPEC Specification 22 View
2002-07-31 CLM Claims 3 View
2002-07-31 ABST Abstract 1 View
2002-07-31 DRW Drawings-only black and white line drawings 6 View
2002-07-31 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
10/207,803
Filed
2002-07-31
Granted
2004-03-16
Pub. No.
US20030026309A1
Examiner
VY, HUNG T
Art Unit
2828
PTA
0 days