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US3587426A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic film assemblage

Assignee: Polaroid Corp
•
Filing: 1968-03-18
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Granted: 1971-06-28
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Expires: 1988-03-18
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Abstract

Abstract A PHOTOGRAPHIC FILM ASSEMBLAGE INCLUDING A CONTAINER HOUSING A PLURALITY OF FILM UNITS INCLUDING AN END WALL WITH A SLOT THROUGH WHICH THE FILM UNITS ARE WITHDRAWN, AND A SHEET OF OPAQUE MATERIAL FOR PREVENTING EXPOSURE OF THE FILM UNITS BY LIGHT ADMITTED THROUGH OPENINGS IN THE CONTAINER AND THE WITHDRAWAL OF MORE THAN ONE FILM UNIT AT A TIME THROUGH THE SLOT.

Inventors

  • 👤 Irving Erlichman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 20:50
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/32; G03B17/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-06-27 1974-12-27 1975-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-27 1978-12-27 1979-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-27 1982-12-27 1983-06-28 $7700.00 Window Closed / Lapsed

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