US3091408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum buffer loop device for tape handlers
Assignee: Potter Instrument Co Inc
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Filing: 1960-07-22
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Granted: 1963-05-28
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Expires: 1980-07-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schoeneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:12
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43; G11B15/56; G11B15/58
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
IN A TAPE HANDLING SYSTEM WITH PROGRESSIVE CONTROL MEANS INCLUDING, A PAIR OF REELS FOR RECEIVING AND FOR PAYING OUT TAPE, A TRANSDUCER HEAD, A TAPE LOOP STORAGE MEANS TO PROVIDE A PREDETERMINED TENSION IN A TAPE BETWEEN ONE OF SAID REELS AND SAID HEAD, TAPE DRIVING MEANS TO DRIVE TAPE IN AT LEAST ONE DIRECTION BETWEEN SAID REELS, AND A VACUUM CHAMBER ON ONE SIDE OF SAID HEAD, SAID VACUUM CHAMBER COMPRISING, MEANS FORMING AN ENCLOSURE HAVING A TAPE RECEIVING OPENING, AND MEANS INCLUDING A PLURALITY OF PORTS WITHIN SAID VACUM CHAMBER, VACUUM MEANS CONNECTED TO EACH OF SAID PORTS TO EXERT A PULL ON ONE SIDE OF A TAPE LOOP IN SAID CHAMBER, SAID PORTS BEING SPACED APART SO THAT THE FIRST OF SAID PORTS TO BE REACHED BY SAID LOOP AS IT PENETRATED INTO
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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) | 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 |