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US3225265A Expired / Lapsed US ⏱️ 0.0 years remaining

Remote control electrical switch and radio frequency actuating system therefor

Assignee: K AND M ELECTRONICS CO
•
Filing: 1961-09-08
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Granted: 1965-12-21
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Expires: 1981-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 Krause Stephen Robert
  • 👤 Miller Harvey Leonard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:06
CPC Classifications
G; G08; G08C; G08C17/00; G08C17/02; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 146 words
FOR USE WITH A NORMALY OFF ELECTRICAL SWITCH IN AN ELECTRICAL CIRCUIT HAVING AN ELECTRICALLY ACTUATED DEVICE IN SERIES THEREWITH AND CONNECTED TO A SOURCE OF ELECTRICAL POTENTIAL, SAID ELECTRICAL SWITCH HAVING BARE ELECTRICAL TERMINALS, A REMOTE CONTROL DEVICE COMPRISING A SWITCH COVER PLATE HAVING BUS BARS IN ELECTRICAL CONTACT WITH SAID BARE ELECTRICAL TERMINALS, TERMINAL JACKS IN SAID COVER PLATE IN COMMUNICATION WITH SAID BUS BARS, A RELAY HAVING A COIL AND CONTACTS, SAID CONTACTS CONNECTED ACROSS THE TERMINAL JACKS, THE CONTACTS BEING BIASED TO A NORMALLY OPEN POSITION, RADIO FREQUENCY ACTUATED RECEIVING MEANS CONNECTED TO ACTUATE SAID RELAY COIL TO CLOSE THE CONTACTS OF SAID RELAY TO BY-PASS THE NORMALLY OFF ELECTRICAL SWITCH AND ENERGIZE THE ELECTRICALLY ACTUATED DEVICE, AND A PORTABLE REMOTE RADIO FREQUENCY TRANSITTER OPERABLE TO TRANSMIT A RADIO FREQUENCY SIGNAL AT A FREQUENCY RECEIVABLE BY SAID RADIO FREQUENCY ACTUATED RECEIVING MEANS.
Claim 2
Dependent Claim 146 words
FOR USE WITH A NORMALY OFF ELECTRICAL SWITCH IN AN ELECTRICAL CIRCUIT HAVING AN ELECTRICALLY ACTUATED DEVICE IN SERIES THEREWITH AND CONNECTED TO A SOURCE OF ELECTRICAL POTENTIAL, SAID ELECTRICAL SWITCH HAVING BARE ELECTRICAL TERMINALS, A REMOTE CONTROL DEVICE COMPRISING A SWITCH COVER PLATE HAVING BUS BARS IN ELECTRICAL CONTACT WITH SAID BARE ELECTRICAL TERMINALS, TERMINAL JACKS IN SAID COVER PLATE IN COMMUNICATION WITH SAID BUS BARS, A RELAY HAVING A COIL AND CONTACTS, SAID CONTACTS CONNECTED ACROSS THE TERMINAL JACKS, THE CONTACTS BEING BIASED TO A NORMALLY OPEN POSITION, RADIO FREQUENCY ACTUATED RECEIVING MEANS CONNECTED TO ACTUATE SAID RELAY COIL TO CLOSE THE CONTACTS OF SAID RELAY TO BY-PASS THE NORMALLY OFF ELECTRICAL SWITCH AND ENERGIZE THE ELECTRICALLY ACTUATED DEVICE, AND A PORTABLE REMOTE RADIO FREQUENCY TRANSITTER OPERABLE TO TRANSMIT A RADIO FREQUENCY SIGNAL AT A FREQUENCY RECEIVABLE BY SAID RADIO FREQUENCY ACTUATED RECEIVING MEANS.

References Cited (Backward Citations)

US2263298A Cited
US2914709A Cited
US3011102A Cited
US3035251A Cited
US3086146A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-20 1969-06-21 1969-12-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-20 1973-06-21 1973-12-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-20 1977-06-21 1977-12-21 $7700.00 Window Closed / Lapsed

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