IP Library › Granted Patent US 6,548,780
Granted Patent Utility
US 6,548,780 · Confirmation No. 6718

TECHNIQUES FOR RESISTANCE WELDING ATTACHMENTS TO SMALL PRESSURE VESSELS

Inventor: Arthur L. Lewis
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2022-08-25 OATH Oath or Declaration filed 18 View
2005-08-08 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-02-28 TRNA Transmittal of New Application 5 View
2001-02-28 SPEC Specification 16 View
2001-02-28 CLM Claims 6 View
2001-02-28 ABST Abstract 1 View
2001-02-28 DRW Drawings-only black and white line drawings 8 View
2001-02-28 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,548,780
App. No.
09/797,403
Filed
2001-02-28
Granted
2003-04-15
Pub. No.
US20020117479A1
Art Unit
1725
PTA
-63 days