IP Library › Granted Patent US 6,642,476
Granted Patent Utility
US 6,642,476 · Confirmation No. 2665

APPARATUS AND METHOD OF FORMING ORIFICES AND CHAMFERS FOR UNIFORM ORIFICE COEFFICIENT AND SURFACE PROPERTIES BY LASER

Inventor: Christoph Hamann
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-09-05 LET. Miscellaneous Incoming Letter 4 View
2003-09-05 DRW Drawings-only black and white line drawings 2 View
2001-07-23 TRNA Transmittal of New Application 4 View
2001-07-23 SPEC Specification 6 View
2001-07-23 CLM Claims 5 View
2001-07-23 ABST Abstract 1 View
2001-07-23 DRW Drawings-only black and white line drawings 2 View
2001-07-23 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,642,476
App. No.
09/909,788
Filed
2001-07-23
Granted
2003-11-04
Pub. No.
US20030015503A1
Art Unit
1725
PTA
0 days