IP Library › Granted Patent US 6,667,836
Granted Patent Utility
US 6,667,836 · Confirmation No. 8648

HIGH PERFORMANCE VIEWFINDER EYEPIECE WITH A LARGE DIOPTER FOCUS RANGE

Inventor: Iain A. Neil
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2020-11-05 OATH Oath or Declaration filed 21 View
2012-01-13 PET.POA.WDRW Request for withdrawal as attorney or agent 2 View
2012-01-13 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2012-01-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-01-13 LET. Miscellaneous Incoming Letter 1 View
2003-10-03 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-03 C.AD Change of Address 2 View
2003-10-03 OATH Oath or Declaration filed 4 View
2001-04-19 TRNA Transmittal of New Application 2 View
2001-04-19 SPEC Specification 20 View
2001-04-19 CLM Claims 9 View
2001-04-19 ABST Abstract 1 View
2001-04-19 DRW Drawings-only black and white line drawings 15 View
2001-04-19 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,667,836
App. No.
09/838,059
Filed
2001-04-19
Granted
2003-12-23
Pub. No.
US20020191300A1
Examiner
MAI, HUY KIM
Art Unit
2873
PTA
-29 days