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US3012464A Expired / Lapsed US ⏱️ 0.0 years remaining

Measuring finder for photographic purposes

Assignee: Voigtlander AG
•
Filing: 1958-06-27
•
Granted: 1961-12-12
•
Expires: 1978-06-27
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Abstract

No abstract record available.

Inventors

  • 👤 Papke Friedrich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:42
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2093299A Cited
GB454064A Cited
US2187057A Cited
GB521491A Cited
DE905573C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-11 1965-06-12 1965-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-11 1969-06-12 1969-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-11 1973-06-12 1973-12-12 $7700.00 Window Closed / Lapsed

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