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US3446129A Expired / Lapsed US ⏱️ 0.0 years remaining

Exposure control apparatus for photographic camera

Assignee: Polaroid Corp
•
Filing: 1965-10-23
•
Granted: 1969-05-27
•
Expires: 1985-10-23
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Abstract

No abstract record available.

Inventors

  • 👤 John P Burgarella

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:53
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/083

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1870464A Cited
US2080055A Cited
US2278338A Cited
US3027818A Cited
US3062092A Cited
US3200723A Cited
US3205799A Cited
US3205803A Cited
US3379107A Cited
US3276339A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-05-26 1972-11-25 1973-05-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-05-26 1976-11-25 1977-05-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-05-26 1980-11-25 1981-05-27 $7700.00 Window Closed / Lapsed

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