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US2797618A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic camera lens system adjusting mechanism

Assignee: REPUBLIC PRODUCTIONS Inc
•
Filing: 1955-12-19
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Granted: 1957-07-02
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Expires: 1975-12-19
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Abstract

No abstract record available.

Inventors

  • 👤 Daniel J Bloomberg
  • 👤 John E Pond

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 01:59
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1879737A Cited
US1947669A Cited
US2159394A Cited
US2165341A Cited
US2720817A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-01 1960-12-31 1961-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-01 1964-12-31 1965-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-01 1968-12-31 1969-07-02 $7700.00 Window Closed / Lapsed

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