US3326484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape cartridge
Assignee: Cook Electric Co
•
Filing: 1964-05-19
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Granted: 1967-06-20
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Yefsky Sheldon Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:51
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/06; Y; Y10; Y10S; Y10S242/00; Y10S242/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A TAPE CARTRIDGE, THE COMBINATION COMPRISING A SUBSTANTIALLY RIGID CASING, A PACK OF TAPE COILED IN SAID CASING, A FIRST END WALL ON SAID CASING AND ENGAGING ONE SIDE OF SAID PACK, INLET AND OUTLET MEANS IN SAID CASING FOR ACCOMMODATING A LOOP OF TAPE EXTENDING BETWEEN THE INNER AND OUTER CONVOLUTIONS OF THE TAPE PACK, A REEL ROTATABLY MOUNTED IN SAID CASING AND SUPPORTING SAID PACK, SAID REEL HAVING A HUB PORTION WITHIN SAID PACK AND A SECOND END WALL ENGAGING THE OPPOSITE SIDE OF SAID PACK, A CENTRAL SHAFT EXTENDING AXIALLY THROUGH SAID REEL AND SAID CASING, SAID REEL AND SAID CASING HAVING OPENINGS FOR RECEIVING SAID SHAFT, SAID SHAFT HAVING A THREADED END PORTION EXTENDING BEYOND SAID CASING, FASTENER MEANS COACTING WITH SAID THREADED END PORTION, AND SPRING MEANS INTERPOSED BETWEEN SAID FASTENER MEANS AND SAID CASING FOR APPLYING FRICTIONAL PRESSURE BETWEEN EACH OF SAID END WALLS AND THE CORRESPONDING SIDE OF SAID PACK, SAID FASTENER MEANS BEING ADJUSTABLE TO REGULATE SAID PRESSURE.
Claim 2
Dependent Claim
167 words
IN A TAPE CARTRIDGE, THE COMBINATION COMPRISING A SUBSTANTIALLY RIGID CASING, A PACK OF TAPE COILED IN SAID CASING, A FIRST END WALL ON SAID CASING AND ENGAGING ONE SIDE OF SAID PACK, INLET AND OUTLET MEANS IN SAID CASING FOR ACCOMMODATING A LOOP OF TAPE EXTENDING BETWEEN THE INNER AND OUTER CONVOLUTIONS OF THE TAPE PACK, A REEL ROTATABLY MOUNTED IN SAID CASING AND SUPPORTING SAID PACK, SAID REEL HAVING A HUB PORTION WITHIN SAID PACK AND A SECOND END WALL ENGAGING THE OPPOSITE SIDE OF SAID PACK, A CENTRAL SHAFT EXTENDING AXIALLY THROUGH SAID REEL AND SAID CASING, SAID REEL AND SAID CASING HAVING OPENINGS FOR RECEIVING SAID SHAFT, SAID SHAFT HAVING A THREADED END PORTION EXTENDING BEYOND SAID CASING, FASTENER MEANS COACTING WITH SAID THREADED END PORTION, AND SPRING MEANS INTERPOSED BETWEEN SAID FASTENER MEANS AND SAID CASING FOR APPLYING FRICTIONAL PRESSURE BETWEEN EACH OF SAID END WALLS AND THE CORRESPONDING SIDE OF SAID PACK, SAID FASTENER MEANS BEING ADJUSTABLE TO REGULATE SAID PRESSURE.
References Cited (Backward Citations)
US1075487A
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US1254272A
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US2001780A
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US1873063A
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US2066405A
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US2490771A
Cited
US2964256A
Cited
US3025012A
Cited
US2965331A
Cited
US2951654A
Cited
US3030041A
Cited
US3161362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |