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US3069971A Expired / Lapsed US ⏱️ 0.0 years remaining

Exposure control apparatus for making color prints

Assignee: Simmon Brothers Inc
•
Filing: 1960-01-18
•
Granted: 1962-12-25
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Expires: 1980-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Simmon Alfred
  • 👤 Louis L Weisglass

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:11
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72; G03B27/73; G03B27/735

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2521954A Cited
US2566277A Cited
US2470584A Cited
US2561535A Cited
US2673488A Cited
US2764060A Cited
US2794366A Cited
FR1173295A Cited
FR1201477A Cited
US2995978A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-24 1966-06-25 1966-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-24 1970-06-25 1970-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-24 1974-06-25 1974-12-25 $7700.00 Window Closed / Lapsed

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