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US3294956A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic ledger card machine

Assignee: International Business Machines Corp
•
Filing: 1962-12-28
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Granted: 1966-12-27
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Expires: 1982-12-28
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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 13:23
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

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