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US3687703A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of photographic sensitive materials

Assignee: Fujifilm Holdings Corp
•
Filing: 1969-09-03
•
Granted: 1972-08-29
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Expires: 1989-09-03
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Abstract

Abstract A PHOTOGRAPHIC MATERIAL COMPRISING A PHOTOGRAPHIC EMULSION LAYER ON A SUPPORT IS COATED WITH A DRY POWDERED MATTING AGENT APPLIED TO THE EMULSION LAYER, OR TO THE UPPERMOST LAYER ABOVE THE EMULSION LAYER, TO PREVENT INJURY FROM SELF-ADHESION OR FROM CONTACT WITH VARIOUS PARTS OF A PHOTOGRAPHIC APPARATUS.

Inventors

  • 👤 Azusa Ohashi
  • 👤 Mamoru Ishiwata

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:43
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/95; Y; Y10; Y10S; Y10S430/00; Y10S430/136; Y10S430/151

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-08-29 1976-02-28 1976-08-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-08-29 1980-02-28 1980-08-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-08-29 1984-02-28 1984-08-29 $7700.00 Window Closed / Lapsed

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