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Patent US3267483A successfully refreshed from Google Patents.
US3267483A
Expired / Lapsed
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Magnetic recording circuit
Assignee: Potter Instrument Co Inc
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Filing: 1962-04-30
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Granted: 1966-08-16
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Gabor Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:58
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN AN INFORMATION PROCESSING APPARATUS COMPRISING, A MEDIUM CAPABLE OF STORING INFORMATION IN MAGNETIC BITS, TRANSDUCER MEANS ADAPTED TO TRANSFER INFORMATION BY MEANS OF MAGNETIC SPOTS DEVELOPED TO A PREDETERMINED VALUE, ELECTRICAL CIRCUIT MEANS TO DEVELOP THE MAGNETIC VALUE IN THE TRANSDUCER MEANS WITHIN A PREDETERMINED TIME INTERVAL, THE ELECTRICAL CIRCUIT MEANS INCLUDING A DRIVE RESISTOR SHUNTED BY A SPEED-UP CONDENSER.
Claim 2
Dependent Claim
61 words
IN AN INFORMATION PROCESSING APPARATUS COMPRISING, A MEDIUM CAPABLE OF STORING INFORMATION IN MAGNETIC BITS, TRANSDUCER MEANS ADAPTED TO TRANSFER INFORMATION BY MEANS OF MAGNETIC SPOTS DEVELOPED TO A PREDETERMINED VALUE, ELECTRICAL CIRCUIT MEANS TO DEVELOP THE MAGNETIC VALUE IN THE TRANSDUCER MEANS WITHIN A PREDETERMINED TIME INTERVAL, THE ELECTRICAL CIRCUIT MEANS INCLUDING A DRIVE RESISTOR SHUNTED BY A SPEED-UP CONDENSER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |