IP Library › Granted Patent US 6,494,434
Granted Patent Utility
US 6,494,434 · Confirmation No. 1761

BUTTERFLY VALVE

Inventor: Friedrich Geiser
Patented Case View Patent ↗
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 Code Description Pages PDF
2001-10-26 TRNA Transmittal of New Application 2 View
2001-10-26 A.PE Preliminary Amendment 17 View
2001-10-26 OATH Oath or Declaration filed 1 View
2001-07-12 TRNA Transmittal of New Application 1 View
2001-07-12 SPEC Specification 12 View
2001-07-12 DRW Drawings-only black and white line drawings 7 View
2001-07-12 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,494,434
App. No.
09/904,426
Filed
2001-07-12
Granted
2002-12-17
Examiner
LEE, KEVIN L
Art Unit
3753
PTA
-46 days