Patent JPS5568520A successfully refreshed from Google Patents.
Patent US3175747A successfully refreshed from Google Patents.
US3175747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape reader apparatus
Assignee: Potter Instrument Co Inc
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Filing: 1962-03-26
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Granted: 1965-03-30
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 George E Comstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:41
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/18; G06K13/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A TAPE READER APPARATUS, THE COMBINATION COMPRISING, A TRANSDUCER MEANS ADAPTED TO SENSE A PREDETERMINED INFORMATION-REPRESENTING CODE FORMED ON A RECORDING MEDIUM; DRIVING MEANS TO DEVELOP RELATIVE MOVEMENT BETWEEN THE RECORDING MEDIUM AND THE TRANSDUCER MEANS; FIRST AND SECOND SEPARATE BRAKE MEANS SEPARATE FROM SAID DRIVING MEANS DISPOSED ON OPPOSITE SIDES OF THE TRANSDUCER MEANS AND CONTINGUOUS THERETO AND ADAPTED TO REACT WITH THE RECORDING MEDIUM SUBSTANTIALLY SIMULTANEOUSLY; AND A COMMON ELECTRICAL MEANS TO ACTUATE THE BRAKE MEANS WHEREBY A TENDENCY IN THE RECORDING MEDIUM TO SPRING BACK IS REDUCED WHEN THE DRIVING MEANS IS REMOVED.
Claim 2
Dependent Claim
97 words
IN A TAPE READER APPARATUS, THE COMBINATION COMPRISING, A TRANSDUCER MEANS ADAPTED TO SENSE A PREDETERMINED INFORMATION-REPRESENTING CODE FORMED ON A RECORDING MEDIUM; DRIVING MEANS TO DEVELOP RELATIVE MOVEMENT BETWEEN THE RECORDING MEDIUM AND THE TRANSDUCER MEANS; FIRST AND SECOND SEPARATE BRAKE MEANS SEPARATE FROM SAID DRIVING MEANS DISPOSED ON OPPOSITE SIDES OF THE TRANSDUCER MEANS AND CONTINGUOUS THERETO AND ADAPTED TO REACT WITH THE RECORDING MEDIUM SUBSTANTIALLY SIMULTANEOUSLY; AND A COMMON ELECTRICAL MEANS TO ACTUATE THE BRAKE MEANS WHEREBY A TENDENCY IN THE RECORDING MEDIUM TO SPRING BACK IS REDUCED WHEN THE DRIVING MEANS IS REMOVED.
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |