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US3254327A Expired / Lapsed US ⏱️ 0.0 years remaining

Sequential magnetic devices

Assignee: AT&T Inc
•
Filing: 1962-12-27
•
Granted: 1966-05-31
•
Expires: 1982-12-27
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Abstract

No abstract record available.

Inventors

  • 👤 Freimanis Laimons
  • 👤 Philip G Ridinger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 15:58
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/27

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 146 words
A MAGNETIC BINARY CELL COMPRISING A SOURCE OF INPUT PULSES OF A FIRST AMPLITUDE, FIRST AND SECOND PERMANENT MAGNETIC MEANS, A PLURALITY OF WINDINGS RESPONSIVE TO THE PASSAGE OF SAID INPUT PULSES THERETHROUGH TO SELECTIVELY ESTABLISH FIRST AND SECOND OPPOSITELY DIRECTED MAGNETIC FIELDS, REMANENT MAGNETIC MEANS ADJACENT SAID WINDINGS RESPONSIVE TO THE PASSAGE OF SAID PULSES THROUGH SAID WINDINGS, TRANSFER CONTACT MEANS FOR SELECTIVELY ASSUMING ONE OF A FIRST AND SECOND CONFIGURATIONS CONTIGUOUS TO SAID FIRST AND SECOND PERMANENT MGNETIC MEANS RESPECTIVELY IN RESPONSE TO THE FLOW OF MAGNETIC FLUX THERETHROUGH FROM SAID REMANENT MAGNETIC MEANS ONLY AFTER THE TERMINATION OF EACH OF SAID INPUT PULSES AND INDEPENDENTLY OF THE DURATION THEREOF AND FOR THEREAFTER STERRING SUBSEQUENT ONES OF SAID INPUT PULSES TO SELECTED ONES OF SAID WINDINGS, AND OUTPUT MEANS FOR PROVIDING AN EXTERNAL INDICATION OF THE SAID SELECTIVELY ASSUMED CONFIGURATIONS OF SAID CONTACT MEANS.

References Cited (Backward Citations)

US2245391A Cited
US2415691A Cited
US2483723A Cited
US2782325A Cited
US2802078A Cited
US3008021A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-30 1969-11-29 1970-05-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-30 1973-11-29 1974-05-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-30 1977-11-29 1978-05-31 $7700.00 Window Closed / Lapsed

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