IP Library › Granted Patent US 6,807,139
Granted Patent Utility
US 6,807,139 · Confirmation No. 3403

OBJECTIVE LENS AND OPTICAL PICKUP APPARATUS

Inventor: Katsuya Sakamoto
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2008-01-17 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-09-13 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-04-08 TRNA Transmittal of New Application 3 View
2002-04-08 SPEC Specification 84 View
2002-04-08 CLM Claims 17 View
2002-04-08 ABST Abstract 1 View
2002-04-08 DRW Drawings-only black and white line drawings 16 View
2002-04-08 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,807,139
App. No.
10/117,188
Filed
2002-04-08
Granted
2004-10-19
Pub. No.
US20030058776A1
Art Unit
2653
PTA
0 days