US3155335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape storage magazine
Assignee: SPEIDEL IND DIVISION Inc
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Filing: 1960-02-17
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Granted: 1964-11-03
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Expires: 1980-02-17
Abstract
No abstract record available.
Inventors
- 👤 Paul F Maeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:19
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/26; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G03B21/325; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A TAPE STORAGE MAGAZINE ADAPTED TO BE REMOVABLY PLACED IN A TAPE RECORDER AND HAVING A CAVITY IN A FACE THEREOF, SPACED REELS LOCATED IN SAID CAVITY, A CLOSED LOOP OF TAPE, SAID TAPE BEING STORED IN SAID CAVITY IN THE FORM OF A BUNDLE OF LAYERS WOUND AROUND SAID REELS, GUIDE MEANS FOR GUIDING AN INNER TAPE LAYER OF SAID BUNDLE AWAY FROM THE INSIDE OF SAID BUNDLE AND BACK TO THE OUTSIDE OF SAID BUNDLE, WHEREBY THE TAPE IN SAID BUNDLE MOVES FROM THE OUTSIDE OF THE BUNDLE TO THE INSIDE OF THE BUNDLE, MEANS LOCATED ADJACENT THE OUTER CONTOUR OF AT LEAST ONE OF THE PORTIONS OF THE TAPE BUNDLE BETWEEN THE REELS TO FORCE SAID PORTION INWARDLY INTO A REVERSE BEND SUFFICIENT TO AVOID ANY SUSTAINED SUBSTANTIAL OPENING OF SAID BUNDLE DURING MOVEMENT OF SAID TAPE FROM THE OUTSIDE OF SAID BUNDLE TO THE INSIDE OF SAID BUNDLE, WHEREBY SPEED DIFFERENCE BETWEEN THE TAPE LAYERS IS COMPENSATED FOR IN THE AREA OF SAID REVERSE BEND.
Claim 2
Dependent Claim
169 words
A TAPE STORAGE MAGAZINE ADAPTED TO BE REMOVABLY PLACED IN A TAPE RECORDER AND HAVING A CAVITY IN A FACE THEREOF, SPACED REELS LOCATED IN SAID CAVITY, A CLOSED LOOP OF TAPE, SAID TAPE BEING STORED IN SAID CAVITY IN THE FORM OF A BUNDLE OF LAYERS WOUND AROUND SAID REELS, GUIDE MEANS FOR GUIDING AN INNER TAPE LAYER OF SAID BUNDLE AWAY FROM THE INSIDE OF SAID BUNDLE AND BACK TO THE OUTSIDE OF SAID BUNDLE, WHEREBY THE TAPE IN SAID BUNDLE MOVES FROM THE OUTSIDE OF THE BUNDLE TO THE INSIDE OF THE BUNDLE, MEANS LOCATED ADJACENT THE OUTER CONTOUR OF AT LEAST ONE OF THE PORTIONS OF THE TAPE BUNDLE BETWEEN THE REELS TO FORCE SAID PORTION INWARDLY INTO A REVERSE BEND SUFFICIENT TO AVOID ANY SUSTAINED SUBSTANTIAL OPENING OF SAID BUNDLE DURING MOVEMENT OF SAID TAPE FROM THE OUTSIDE OF SAID BUNDLE TO THE INSIDE OF SAID BUNDLE, WHEREBY SPEED DIFFERENCE BETWEEN THE TAPE LAYERS IS COMPENSATED FOR IN THE AREA OF SAID REVERSE BEND.
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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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |