IP Library › Granted Patent US 6,659,742
Granted Patent Utility
US 6,659,742 · Confirmation No. 4987

DIRECTIONAL FLOW VALVE STRUCTURE FOR RECIPROCATING COMPRESSORS

Inventor: Satoshi Oofuchi
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-10-15 IFEE Issue Fee Payment (PTO-85B) 4 View
2003-10-15 LET. Miscellaneous Incoming Letter 2 View
2003-10-15 DRW Drawings-only black and white line drawings 5 View
2002-02-28 TRNA Transmittal of New Application 4 View
2002-02-28 ADS Application Data Sheet 1 View
2002-02-28 A.PE Preliminary Amendment 6 View
2002-02-28 SPEC Specification 10 View
2002-02-28 CLM Claims 3 View
2002-02-28 ABST Abstract 1 View
2002-02-28 DRW Drawings-only black and white line drawings 5 View
2002-02-28 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,659,742
App. No.
10/084,465
Filed
2002-02-28
Granted
2003-12-09
Pub. No.
US20020141883A1
Art Unit
3746
PTA
0 days