Patent US3091380A successfully refreshed from Google Patents.
US3091380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving means for magnetic tape
Assignee: International Business Machines Corp
•
Filing: 1960-08-25
•
Granted: 1963-05-28
•
Expires: 1980-08-25
Abstract
No abstract record available.
Inventors
- 👤 John P Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:51
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/56; G11B15/58; B; B41; B41L; B41L45/00; G11B15/18; G11B15/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A TAPE TRANSPORT, A PAIR OF ROTARY TAPE REELS, FIRST AND SECOND MEANS LOCATED BETWEEN SAID REELS FOR APPLYING CONSTANT TENSION TO A TAPE PASSING BETWEEN SAID REELS, A TAPE PROCESSING UNIT LOCATED BETWEEN SAID FIRST AND SECOND TENSION MEANS, A ROTARY TAPE DRIVING CAPSTAN ASSOCIATED WITH EACH OF SAID CONSTANT TENSION MEANS, MEANS FOR SELECTIVELY DRIVING ONE OF SAID TAPE DRIVING CAPSTANS IN A DIRECTION TO PULL TAPE FROM ITS ASSOCIATED CONSTANT TENSION MEANS AND DELIVER THE SAME TO SAID TAPE PROCESSING UNIT, AND MEANS FOR DISABLING THE OTHER OF SAID CAPSTANS WHEREBY ITS ASSOCIATED CONSTANT TENSION MEANS IS OPERA-
Claim 2
Dependent Claim
102 words
IN A TAPE TRANSPORT, A PAIR OF ROTARY TAPE REELS, FIRST AND SECOND MEANS LOCATED BETWEEN SAID REELS FOR APPLYING CONSTANT TENSION TO A TAPE PASSING BETWEEN SAID REELS, A TAPE PROCESSING UNIT LOCATED BETWEEN SAID FIRST AND SECOND TENSION MEANS, A ROTARY TAPE DRIVING CAPSTAN ASSOCIATED WITH EACH OF SAID CONSTANT TENSION MEANS, MEANS FOR SELECTIVELY DRIVING ONE OF SAID TAPE DRIVING CAPSTANS IN A DIRECTION TO PULL TAPE FROM ITS ASSOCIATED CONSTANT TENSION MEANS AND DELIVER THE SAME TO SAID TAPE PROCESSING UNIT, AND MEANS FOR DISABLING THE OTHER OF SAID CAPSTANS WHEREBY ITS ASSOCIATED CONSTANT TENSION MEANS IS OPERA-
References Cited (Backward Citations)
US2501573A
Cited
US2792217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |