IP Library › Granted Patent US 6,637,722
Granted Patent Utility
US 6,637,722 · Confirmation No. 1707

PILOT OPERATED MICROVALVE DEVICE

Inventor: Harry A. Hunnicutt
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-08-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-01-22 TRNA Transmittal of New Application 5 View
2003-01-22 SPEC Specification 57 View
2003-01-22 CLM Claims 5 View
2003-01-22 ABST Abstract 1 View
2003-01-22 DRW Drawings-only black and white line drawings 25 View
2003-01-22 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,637,722
App. No.
10/349,443
Filed
2003-01-22
Granted
2003-10-28
Pub. No.
US20030136926A1
Art Unit
3754
PTA
0 days