Patent USRE28438E successfully refreshed from Google Patents.
USRE28438E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ray film package
Assignee: —
•
Filing: 1974-05-02
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Granted: 1975-06-03
•
Expires: 1994-05-02
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 07:00
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
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US3420405A
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US3360258A
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US3519124A
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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 |