US3136465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape back-space device
Assignee: Potter Instrument Co Inc
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Filing: 1961-12-20
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Granted: 1964-06-09
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Expires: 1981-12-20
Abstract
No abstract record available.
Inventors
- 👤 D George E Comstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:12
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A TAPE HANDLING APPARATUS HAVING A TAPE UNDER TENSION FOR PROCESS INFORMATION, COMPRISING, TRANSDUCER MEANS PAST WHICH A TAPE IS ADAPTED TO BE MOVED TO EFFECT A TRANSFER OF INFORMATION, TAPE DRIVE MEANS ADJACENT SAID TRANSDUCER MEANS TO MOVE A TAPE IN A PREDETERMINED DIRECTION, BACK-SPACE MEANS INCLUDING A TAPE LOOP-RECEIVING CAVITY AND INCLUDING TAPE CLAMPING MEANS ON OPPOSITE SIDES OF THE TAPE LOOP-RECEIVING CAVITY TO MOVE A TAPE PAST SAID HEAD IN A DIRECTION OPPOSITE SAID PREDETERMINED DIRECTION ONLY A LIMITED DISTANCE TO PROVIDE INTERSPACE GAP BETWEEN BLOCKS OF INFORMATION ON A TAPE WHICH IS REDUCED AN AMOUNT DETERMINED BY SAID BACK-SPACE MEANS, AND MEANS TO CONNECT A VACUUM SOURCE SELECTIVELY TO SAID TAPE CLAMPING MEANS AND SAID TAPE LOOP-RECEIVING CAVITY TO EFFECT SAID BACK-SPACING.
Claim 2
Dependent Claim
126 words
A TAPE HANDLING APPARATUS HAVING A TAPE UNDER TENSION FOR PROCESS INFORMATION, COMPRISING, TRANSDUCER MEANS PAST WHICH A TAPE IS ADAPTED TO BE MOVED TO EFFECT A TRANSFER OF INFORMATION, TAPE DRIVE MEANS ADJACENT SAID TRANSDUCER MEANS TO MOVE A TAPE IN A PREDETERMINED DIRECTION, BACK-SPACE MEANS INCLUDING A TAPE LOOP-RECEIVING CAVITY AND INCLUDING TAPE CLAMPING MEANS ON OPPOSITE SIDES OF THE TAPE LOOP-RECEIVING CAVITY TO MOVE A TAPE PAST SAID HEAD IN A DIRECTION OPPOSITE SAID PREDETERMINED DIRECTION ONLY A LIMITED DISTANCE TO PROVIDE INTERSPACE GAP BETWEEN BLOCKS OF INFORMATION ON A TAPE WHICH IS REDUCED AN AMOUNT DETERMINED BY SAID BACK-SPACE MEANS, AND MEANS TO CONNECT A VACUUM SOURCE SELECTIVELY TO SAID TAPE CLAMPING MEANS AND SAID TAPE LOOP-RECEIVING CAVITY TO EFFECT SAID BACK-SPACING.
References Cited (Backward Citations)
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Cited
US2778634A
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US2892379A
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US2900132A
Cited
US2975407A
Cited
US2954911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |