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US2618201A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for detachably attaching camera objectives to cameras

Assignee: Ernst Leitz Wetzlar GmbH
•
Filing: 1951-02-07
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Granted: 1952-11-18
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Expires: 1971-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 Brohl August
  • 👤 Leitz Ludwig

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 12:13
CPC Classifications
G; G03; G03B; G03B3/00; G03B3/02; F; F16; F16B; F16B2200/00; F16B2200/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE496361C Cited
US2110477A Cited
US2052261A Cited
DE711012C Cited
US2136149A Cited
US2260991A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-11-18 1956-05-19 1956-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-11-18 1960-05-19 1960-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-11-18 1964-05-19 1964-11-18 $7700.00 Window Closed / Lapsed

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