IP Library Patent Application 09755379
Patent Application Utility Small
App. No. 09/755,379 · Confirmation No. 5200

WELDING METHOD AND APPARATUS FOR FORMING CHROMIUM OXIDE PASSIVATED FILM AT WELDED PORTION

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2001-01-05 TRNA Transmittal of New Application 3 View
2001-01-05 A.PE Preliminary Amendment 3 View
2001-01-05 SPEC Specification 16 View
2001-01-05 CLM Claims 8 View
2001-01-05 ABST Abstract 1 View
2001-01-05 DRW Drawings-only black and white line drawings 1 View
2001-01-05 OATH Oath or Declaration filed 1 View
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Quick Facts
App. No.
09/755,379
Filed
2001-01-05
Granted
2003-02-11
Art Unit
1725
PTA
-175 days