Patent US3559324A successfully refreshed from Google Patents.
US3559324A
Expired / Lapsed
US
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Transferable tape reel identification disk
Assignee: Individual
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Filing: 1968-05-27
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Granted: 1971-02-02
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Expires: 1988-05-27
Abstract
Abstract TRANSFER OF DATA IDENTIFYING MATERIAL RECORDED ON TAPES FOR RECORDERS IS ACCOMPLISHED BY THIS INVENTION WHEN THE TAPES ARE WOUND FROM ONE REEL TO ANOTHER. A DISK CARRIES THE IDENTIFYING INDICIA AND IS PROVIDED WITH MEANS DETACHABLY SECURING SAME TO A REEL SO THAT WHEN A TAPE IS TRANSFERRED FROM ONE REEL TO ANOTHER THE DISK MAY BE CONVENIENTLY REMOVED FROM THE FIRST REEL AND INSTALLED ON THE SECOND.
Inventors
- 👤 Charles S Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:24
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/037; G09; G09F; G09F3/00
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |