IP Library › Granted Patent US 6,471,404
Granted Patent Utility PCT National Stage
US 6,471,404 · Confirmation No. 4591

BEARING WITH COOPERATING INNER AND OUTER SHELLS

Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2001-03-26 LET. Miscellaneous Incoming Letter 35 View
2001-03-26 LET. Miscellaneous Incoming Letter 35 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 6,471,404
App. No.
09/763,227
Filed
2001-03-26
Granted
2002-10-29
Art Unit
3683
PTA
0 days