IP Library Granted Patent US 6,552,311
Granted Patent Utility
US 6,552,311 · Confirmation No. 9709

HIGHLY GAS TIGHT CHAMBER AND METHOD OF MANUFACTURING SAME

Inventor: Katsumi Watanabe
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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 6,552,311
App. No.
09/989,213
Filed
2001-11-20
Granted
2003-04-22
Pub. No.
US20020113063A1
Art Unit
3742
PTA
-2 days