Patent US3565526A successfully refreshed from Google Patents.
US3565526A
Expired / Lapsed
US
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Cassette for a copying machine
Assignee: Polaroid Corp
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Filing: 1968-10-01
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Granted: 1971-02-23
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Expires: 1988-10-01
Abstract
Abstract A CASSETTE CONTAINING COILED SHEET MATERIAL FOR A PHOTOGRAPHIC DOCUMENT COPIER INCLUDES, AT THE COIL EXIT OPENING, PROTRUDING LIPS HAVING SEVERAL OPENINGS THROUGH WHICH DRIVE ROLLERS ON THE COPIER CONTACT THE MATERIAL TO DELIVER IT FROM CASSETTE. THE CASSETTE MAY ALSO INCLUDE A LOCK TO PREVENT THE COIL END FROM SLIPPING BACK INTO THE CASSETTE, AND A CONTAINER OF PROCESSING LIQUID.
Inventors
- 👤 Dirk A Van Gemeren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:08
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/587; G03B27/588; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |