Patent US3295782A successfully refreshed from Google Patents.
US3295782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless tape cartridge
Assignee: Individual
•
Filing: 1963-10-29
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Granted: 1967-01-03
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Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Stark
- 👤 William A Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:52
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/70; G11B23/00; G11B23/02; G11B23/04; G11B23/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
IN A TAPE CARTRIDGE FOR A SPIRALLY COILED, ENDLESSLOOP TAPE, A TAPE SUPPORT MECHANISM COMPRISING: A CIRCULAR MEMBER; AN ARRAY OF TAPE SUPPORT ROLLERS CIRCUMFERENTIALLY SPACED ABOUT SAID MEMBER; SAID ROLLERS BEING ROTATABLY MOUNTED IN SAID MEMBER AND EXTENDING RADIALLY THEREFROM; EACH OF SAID ROLLERS HAVING AN INCLINDED SURFACE ON ITS RADIALLY INNER END TO FACILITATE UNWINDING OF THE TAPE FROM THE TAPE CARTRIDGE; EACH OF SAID ARRAY OF ROLLERS HAVING A PERIPHERAL SURFACE PROGRESSIVELY INCREASING IN DIAMETER IN THE RADIALLY OUTWARD DIRECTION, WHERE-
References Cited (Backward Citations)
GB309801A
Cited
US2272413A
Cited
US2740628A
Cited
US2918536A
Cited
US2917308A
Cited
US2964256A
Cited
US3140837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |