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US2664796A Expired / Lapsed US ⏱️ 0.0 years remaining

Curtain shutter camera with flash synchronizing device

Assignee: Ernst Leitz Wetzlar GmbH
•
Filing: 1951-01-17
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Granted: 1954-01-05
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Expires: 1971-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Stein Wilhelm
  • 👤 Weil Friedrich Gath Altenki Ub

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:24
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/70

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE724336C Cited
US2520638A Cited
US2517407A Cited
US2552213A Cited
US2590829A Cited
US2596671A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-01-04 1957-07-06 1958-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-01-04 1961-07-06 1962-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-01-04 1965-07-06 1966-01-05 $7700.00 Window Closed / Lapsed

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