IP Library › Granted Patent US 6,620,773
Granted Patent Utility PCT National Stage
US 6,620,773 · Confirmation No. 1654

FOAMING OIL PREPARATION AND ITS USE

Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2003-07-07 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-04-27 LET. Miscellaneous Incoming Letter 34 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 6,620,773
App. No.
09/762,177
Filed
2001-04-27
Granted
2003-09-16
Art Unit
1751
PTA
0 days