IP Library › Granted Patent US 6,833,538
Granted Patent Utility PCT National Stage
US 6,833,538 · Confirmation No. 7380

DEVICE FOR DETERMINING FOCUSED STATE OF TAKING LENS

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2004-11-09 IFEE Issue Fee Payment (PTO-85B) 1 View
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2004-03-03 FOR Foreign Reference 6 View
2003-12-04 TRNA Transmittal of New Application 2 View
2003-12-04 SPEC Specification 14 View
2003-12-04 CLM Claims 2 View
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Quick Facts
Patent No.
US 6,833,538
App. No.
10/479,757
Filed
2003-12-04
Granted
2004-12-21
Pub. No.
US20040149882A1
Art Unit
2878
PTA
0 days