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USRE28438E Expired / Lapsed US ⏱️ 0.0 years remaining

Ray film package

Assignee: —
•
Filing: 1974-05-02
•
Granted: 1975-06-03
•
Expires: 1994-05-02
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Abstract

Abstract 1. A FILM PACKAGE FOR USE IN A DAYLIGHT HANDLING SYSTEM, SAID PACKAGE COMPRISING A. A PLURALITY OF SUBSTANTIALLY IDENTICAL PHOTOGRAPHICALLY SENSITIVE FILM SHEETS, EACH SHEET HAVING A SINGLE CUT-AWAY PORTION OF SMALL AREA ALONG AN EDGE THEREOF, SAID SHEETS BEING STACKED IN ALTERNATING SUPERPOSITION WHEEBY THE CUT-AWAY PORTIONS OF ALTERNATE SHEETS FORM DISCONTINUOUS, (SPACED APART,) PARALLEL ROWS WHICH ARE SPACED EQUIDISTANT FROM OPPOSITE SIDES OF A CENTER LINE PERPENDICULAR TO A COMMON EDGE OF SAID STACK; AND B. COVER MEANS OPAQUE TO ACTINIC RADIATION SURROUNDING SAID STACK.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 00:42
CPC Classifications
G; G03; G03C; G03C3/00; B; B65; B65D; B65D85/00; B65D85/62; G03B; G03B17/00; G03B17/28; G03B17/32; G03B17/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1662080A Cited
US1844468A Cited
US3420405A Cited
US3360258A Cited
US3519124A Cited
US3511496A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-06-02 1978-12-02 1979-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-06-02 1982-12-02 1983-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-06-02 1986-12-02 1987-06-03 $7700.00 Window Closed / Lapsed

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