US3294956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic ledger card machine
Assignee: International Business Machines Corp
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Filing: 1962-12-28
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Granted: 1966-12-27
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Charles S Jenkins
- 👤 Norwood K Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:58
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/36; B41J11/42; B41J11/46; G; G06; G06K; G06K13/00; G06K13/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
161 words
A MACHINE FOR AUTOMATICALLY HANDLING MACHINE AND HUMAN READABLE UNIT RECORDS SUCH AS A LEDGER CARD WITH A MAGNETIZABLE TRACK ON A FACE THEREOF, THE MACHINE COMPRISING: (A) MEANS FOR FEEDING AND ALIGNING THE RECORD SUCH THAT THE MAGNETIZABLE TRACK ON THE BACK OF THE RECORD IS AT A MAGNETIC TRANSDUCER READ-WRITE STATION, (B) A MOVABLE MAGNETIC TRANSDUCER MEANS AT THE READWRITE STATION AND MOVABLE ALONG THE MAGNETIZABLE TRACK OF THE ALIGNED RECORD, (C) MEANS FOR DRIVING THE MAGNETIC TRANSDUCER FOR A SCAN ACROSS THE STATIONARY ALIGNED RECORD, (D) RECORD FEED MEANS FOR AUTOMATICALLY FEEDING, THE RECORD AFTER A SCAN THEREOF TOWARD A PRINT STATION, AND AUTOMATICALLY STOPPING THE FEEDING OF THE RECORD IN RESPONSE TO A SENSE POINT THEREON AT A PREDETEMINED POSITION RELATIVE TO THE PRINT STATION, AND, AFTER A PRINT OPERATION, FOR RETURNING THE RECORD TO THE MAGNETIC TRANSDUCER READ-WRITE STATION, (E) MEANS FOR AUTOMATICALLY PRINTING ON A PREDETERMINED LINE OF THE RECORD WHILE AT THE PRINTING STATION,
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |