US3073228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic product
Assignee: Polaroid Corp
•
Filing: 1959-05-07
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Granted: 1963-01-15
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Expires: 1979-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Eburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:10
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/32; G03B17/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A PHOTOGRAPHIC FILM ASSEMBLAGE IN WHICH A PLURALITY OF PHOTOSENSITIVE SHEETS ARE SUPPORTED IN POSITION FOR EXPOSURE IN STACKED RELATION ON ONE SIDE OF A SUPPORT MEMBER, SAID PHOTOSESITIVE SHEETS ARE EXPOSED IN SUCCESSION AND, FOLLOWING EXPOSURE, EACH PHOTOSENSITIVE SHEET IS DRAWN AROUND AN END SECTION OF SAID SUPPORT MEMBER TO THE OPPOSITE SIDE THEREOF, THE COMBINATION IN SAID FILM ASSEMBLAGE OF A SUPPORT MEMBER COMPRISING AN END SECTION AND A SUPPORT SECTION PROVIDING A SUBSTANTIALLY PLANAR SUPPORT SURFACE HAVING A SUBSTANTIALLY STRAIGHT EDGE DEFINED BY A SHARP CORNER FORMED BY A FIRST PORTION OF SAID
Claim 2
Dependent Claim
97 words
IN A PHOTOGRAPHIC FILM ASSEMBLAGE IN WHICH A PLURALITY OF PHOTOSENSITIVE SHEETS ARE SUPPORTED IN POSITION FOR EXPOSURE IN STACKED RELATION ON ONE SIDE OF A SUPPORT MEMBER, SAID PHOTOSESITIVE SHEETS ARE EXPOSED IN SUCCESSION AND, FOLLOWING EXPOSURE, EACH PHOTOSENSITIVE SHEET IS DRAWN AROUND AN END SECTION OF SAID SUPPORT MEMBER TO THE OPPOSITE SIDE THEREOF, THE COMBINATION IN SAID FILM ASSEMBLAGE OF A SUPPORT MEMBER COMPRISING AN END SECTION AND A SUPPORT SECTION PROVIDING A SUBSTANTIALLY PLANAR SUPPORT SURFACE HAVING A SUBSTANTIALLY STRAIGHT EDGE DEFINED BY A SHARP CORNER FORMED BY A FIRST PORTION OF SAID
References Cited (Backward Citations)
US2495113A
Cited
US2612451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |