IP Library › Granted Patent US 6,581,633
Granted Patent Utility Small
US 6,581,633 · Confirmation No. 8355

CHECK VALVE AND METHOD OF FABRICATION

Inventor: Bo Andersson
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2015-08-31 PETDEC Petition Decision 1 View
2015-02-04 SES.REQ Assertion of entitlement to small entity status 2 View
2015-02-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-09-07 TRNA Transmittal of New Application 2 View
2001-09-07 SPEC Specification 13 View
2001-09-07 CLM Claims 5 View
2001-09-07 ABST Abstract 1 View
2001-09-07 DRW Drawings-only black and white line drawings 5 View
2001-09-07 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,581,633
App. No.
09/948,978
Filed
2001-09-07
Granted
2003-06-24
Pub. No.
US20030041905A1
Art Unit
3753
PTA
-55 days