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US2805609A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic camera and objective mounts therefor

Assignee: Graflex Inc
•
Filing: 1952-03-28
•
Granted: 1957-09-10
•
Expires: 1972-03-28
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Abstract

No abstract record available.

Inventors

  • 👤 Nerwin Hubert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 22:36
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/18; G03B13/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1835503A Cited
US1973213A Cited
US2124161A Cited
US2164695A Cited
US2172338A Cited
US2193459A Cited
US2193038A Cited
FR853295A Cited
US2401134A Cited
US2279476A Cited
US2313567A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-09-09 1961-03-11 1961-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-09-09 1965-03-11 1965-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-09-09 1969-03-11 1969-09-10 $7700.00 Window Closed / Lapsed

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