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US2846334A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of reconditioning exposed and developed photographic film

Assignee: Individual
•
Filing: 1953-03-23
•
Granted: 1958-08-05
•
Expires: 1973-03-23
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Abstract

No abstract record available.

Inventors

  • 👤 Lucile H Fleck
  • 👤 Samuel H Bunchez

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:53
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1657870A Cited
US1633576A Cited
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US2034713A Cited
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US2256356A Cited
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US2782697A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-08-04 1962-02-03 1962-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-08-04 1966-02-03 1966-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-08-04 1970-02-03 1970-08-05 $7700.00 Window Closed / Lapsed

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