IP Library › Granted Patent US 6,651,574
Granted Patent Utility
US 6,651,574 · Confirmation No. 4558

SPOOL VALVE

Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2018-06-08 OATH Oath or Declaration filed 2 View
2003-08-01 IFEE Issue Fee Payment (PTO-85B) 2 View
2002-01-11 TRNA Transmittal of New Application 1 View
2002-01-11 SPEC Specification 10 View
2002-01-11 CLM Claims 5 View
2002-01-11 ABST Abstract 1 View
2002-01-11 DRW Drawings-only black and white line drawings 8 View
2002-01-11 OATH Oath or Declaration filed 3 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,651,574
App. No.
10/042,272
Filed
2002-01-11
Granted
2003-11-25
Art Unit
3617
PTA
0 days