IP Library Granted Patent US 6,561,148
Granted Patent Utility
US 6,561,148 · Confirmation No. 7637

VARIABLE VALVE MECHANISM OF INTERNAL COMBUSTION ENGINE

⬇ PDF
Code Description Pages PDF
2001-02-23 TRNA Transmittal of New Application 2 View
2001-02-23 SPEC Specification 15 View
2001-02-23 CLM Claims 4 View
2001-02-23 ABST Abstract 1 View
2001-02-23 DRW Drawings-only black and white line drawings 15 View
2001-02-23 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,561,148
App. No.
09/790,723
Filed
2001-02-23
Granted
2003-05-13
Pub. No.
US20010027762A1
Art Unit
3748
PTA
-215 days