IP Library › Granted Patent US 6,427,790
Granted Patent Utility
US 6,427,790 · Confirmation No. 6077

ROCK BIT FACE SEAL HAVING LUBRICATION GAP

Inventor: Bruce H. Burr
Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2001-11-08 TRNA Transmittal of New Application 7 View
2001-11-08 ADS Application Data Sheet 1 View
2001-11-08 SPEC Specification 12 View
2001-11-08 CLM Claims 5 View
2001-11-08 ABST Abstract 2 View
2001-11-08 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,427,790
App. No.
09/683,022
Filed
2001-11-08
Granted
2002-08-06
Art Unit
3672
PTA
0 days