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US3559203A Expired / Lapsed US ⏱️ 0.0 years remaining

Agitation sensitive alarm circuit

Assignee: RCA Corp
•
Filing: 1967-11-13
•
Granted: 1971-01-26
•
Expires: 1987-11-13
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Abstract

Abstract AN AGITATION SENSITIVE ALARM CIRCUIT INCLUDING SENSING MEANS FORMED OF ELECTRICALLY CONDUCTIVE, LOOSELY INTERCOUPLED LINKS, CHARACTERIZED BY STABLE AND UNSTABLE IMPEDANCE STATES? THE SLIGHTEST AGITATION BEING SUFFICIENT TO TRANSFER SAID SENSING MEANS FROM ITS STABLE STATE TO ITS UNSTABLE STATE.

Inventors

  • 👤 James R Hall
  • 👤 Peter B Korda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 10:38
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/12; G08B13/126

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-01-25 1974-07-27 1975-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-25 1978-07-27 1979-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-25 1982-07-27 1983-01-26 $7700.00 Window Closed / Lapsed

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