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US3662041A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of producing optically projectable replicas of pressure coalescible film

Assignee: Remington Arms Co LLC
•
Filing: 1970-10-05
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Granted: 1972-05-09
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Expires: 1990-10-05
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Abstract

Abstract A PROCESS FOR PRODUCING OPTICALL PROJECTABLE REPLICAS OF SURFACES OF COINS, MEALS, BULLET SECIMENS AND THE LIKE WHEREIN AN OPAQUE PRESSURE COALESCIBLE COATING IS MOUNTED ON AN ELASTIC TRANSPARENT FILM, THE FILM BEING PLACED AGAINST THE ARTICLE AND PRESSURE APPLIED THERETO. A SOFT BACKING PAD IS USED IN APPLYING PRESSURE TO THE FILM. THE MINUTE INTERCONNECTING CELLS OF THE FILM ARE OPAQUE UNTIL THEY ARE COLLAPSED. THE ELASTIC FILM CAUSES PRESSURE TO BE APPLIED TO THE COATING SO THAT THE MAJOR AND MINOR SURFACES, TOGETHER WITH GRADATIONS THEREBETWEEN, WILL BE REPLICATED.

Inventors

  • 👤 Robert B Hartman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 07:47
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/04; B44C3/042; B41; B41M; B41M5/00; B41M5/124; G; G03; G03C; G03C11/00

Claims Analysis

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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) 1975-05-09 1975-11-08 1976-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-09 1979-11-08 1980-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-09 1983-11-08 1984-05-09 $7700.00 Window Closed / Lapsed

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