Patent US3249033A successfully refreshed from Google Patents.
US3249033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge for light-sensitive material
Assignee: 3M Co
•
Filing: 1962-09-25
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Granted: 1966-05-03
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Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Sanford Cobb
- 👤 William W Petryk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:08
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/585; G03B27/586; Y; Y10; Y10S; Y10S430/00; Y10S430/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CARTRIDGE FOR SHEET MATERAIL HAVING A LIGHT-SENSITIVE FILM PORTION COMPRISING: A TUBULAR SLEEVE HAVING ONE OPEN END; AN INSERT SLIDABLY RECEIVED WITHING SAID SLEEVE AND HAVING AN END WALL, A BOTTOM WALL, A TOP WALL, AND A PAIR OF ALLOCHIRAL SIDE WALLS, SAID TOP, BOTTOM AND SIDE WALLS BEING JOINED WITH SAID END WALL AND SAID END WALL BEING DISPOSED IN A PLANE INCLINED WITH RESPECT TO SAID BOTTOM WALL; AN OPAQUE RESILIENT READILY COMPRESSIBLE PAD POSITIONED AGAINST THE INNER SURFACE OF SAID BOTTOM, TOP AND SIDE WALLS AND COVERING A SUBSTANTIAL PORTION OF THE INNER SURFACES THEREOF FOR SUPPORTING WITHIN SAID INSERT A STACK OF SHEET MATERIAL HAVING A LIGHT-SENSITIVE FILM PORTION; AND COVER MEANS FITTED OVER THE OPEN END OF SAID SLEEVE TO ENCLOSE SAID INSERT.
Claim 2
Dependent Claim
129 words
A CARTRIDGE FOR SHEET MATERAIL HAVING A LIGHT-SENSITIVE FILM PORTION COMPRISING: A TUBULAR SLEEVE HAVING ONE OPEN END; AN INSERT SLIDABLY RECEIVED WITHING SAID SLEEVE AND HAVING AN END WALL, A BOTTOM WALL, A TOP WALL, AND A PAIR OF ALLOCHIRAL SIDE WALLS, SAID TOP, BOTTOM AND SIDE WALLS BEING JOINED WITH SAID END WALL AND SAID END WALL BEING DISPOSED IN A PLANE INCLINED WITH RESPECT TO SAID BOTTOM WALL; AN OPAQUE RESILIENT READILY COMPRESSIBLE PAD POSITIONED AGAINST THE INNER SURFACE OF SAID BOTTOM, TOP AND SIDE WALLS AND COVERING A SUBSTANTIAL PORTION OF THE INNER SURFACES THEREOF FOR SUPPORTING WITHIN SAID INSERT A STACK OF SHEET MATERIAL HAVING A LIGHT-SENSITIVE FILM PORTION; AND COVER MEANS FITTED OVER THE OPEN END OF SAID SLEEVE TO ENCLOSE SAID INSERT.
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |