IP Library › Granted Patent US 6,557,747
Granted Patent Utility
US 6,557,747 · Confirmation No. 9707

HIGHLY GAS TIGHT CHAMBER AND METHOD OF MANUFACTURING SAME

Inventor: Katsumi Watanabe
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2002-02-19 TRNA Transmittal of New Application 2 View
2002-02-19 DRW Drawings-only black and white line drawings 14 View
2001-11-20 TRNA Transmittal of New Application 4 View
2001-11-20 A.PE Preliminary Amendment 2 View
2001-11-20 SPEC Specification 36 View
2001-11-20 CLM Claims 3 View
2001-11-20 ABST Abstract 1 View
2001-11-20 DRW Drawings-only black and white line drawings 14 View
2001-11-20 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,557,747
App. No.
09/989,215
Filed
2001-11-20
Granted
2003-05-06
Pub. No.
US20020113064A1
Art Unit
1725
PTA
-4 days