IP Library › Granted Patent US 6,521,862
Granted Patent Utility
US 6,521,862 · Confirmation No. 1369

APPARATUS AND METHOD FOR IMPROVING CHAMFER QUALITY OF DISK EDGE SURFACES WITH LASER TREATMENT

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 Code Description Pages PDF
2001-10-09 TRNA Transmittal of New Application 1 View
2001-10-09 SPEC Specification 9 View
2001-10-09 CLM Claims 2 View
2001-10-09 ABST Abstract 1 View
2001-10-09 DRW Drawings-only black and white line drawings 2 View
2001-10-09 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,521,862
App. No.
09/973,324
Filed
2001-10-09
Granted
2003-02-18
Art Unit
1725
PTA
0 days