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US3305772A Expired / Lapsed US ⏱️ 0.0 years remaining

Timer sequence tester having plural lamp indicators and template means

Assignee: Motors Liquidation Co
•
Filing: 1964-05-04
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Granted: 1967-02-21
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Expires: 1984-05-04
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Earnhart

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 06:36
CPC Classifications
H; H01; H01H; H01H43/00

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 312 words
A TIMER SEQUENCE TESTER ADAPTED FOR ELECTRICAL CONNECTION TO A TIMER HAVING A PLURALITY OF TIMER SWITCH CONNECTORS AND A MOTOR FOR SELECTIVELY ENERGIZING SAID SWITCH CONNECTORS IN ACCORDANCE WITH THE SEQUENCING OF SAID TIMER, SAID TESTER COMPRISING (A) INSULATED HOUSING MEANS HAVING A TIMER CIRCUIT TEST LAMP POCKET AND A TIMER MOTOR TEST LAMP CAVITY, SAID HOUSING MEANS HAVING AN INDICATOR OPENING IN LIGHT RECEIVING COMMUNICATION WITH SAID POCKET FOR ILLUMINATING SAID OPENING, (B) MEANS FOR SUPPORTING A TEMPLATE REPRESENTATIVE OF SAID TIMER IN JUXTAPOSITION WITH SAID OPENING TO FACILITATE THE COMPARISON OF MARKINGS ON SAID TEMPLATE WITH THE ILLUMINATION OF SAID OPENING, (C) TESTER CIRCUIT MEANS ADAPTED FOR INTERPOSITION BETWEEN A POWER SOURCE AND SAID TIMER AND SELECTIVELY ENERGIZABLE IN ACCORDANCE WITH THE SELECTIVE ENERGIZATION OF SAID SWITCH CONNECTORS, SAID TESTER CIRCUIT MEANS INCLUDING A CONTINUITY TEST LAMP IN SAID POCKET, SAID CONTINUITY TEST LAMP ADAPTED FOR CONNECTION IN SERIES WITH ONE OF SAID TIMER SWITCH CONNECTORS, AND A TIMER MOTOR TEST LAMP IN SAID CAVITY ADAPTED FOR CONNECTION IN SERIES WITH THE MOTOR OF SAID TIMER THROUGH ANOTHER ONE OF SAID TIMER SWITCH CONNECTORS, SAID TIMER MOTOR TEST LAMP HAVING A SUFFICIENT RESISTANCE WHICH WHEN SERIALLY ARRANGED WITH THE RESISTANCE OF SAID MOTOR DROPS THE VOLTAGE OF POWER SUPPLIED TO SAID MOTOR TO APPROXIMATELY THE MINIMUM VOLTAGE AT WHICH SAID MOTOR IS DESIGNED TO OPERATE, (D) AND POWER SUPPLY CONDUCTOR MEANS ADAPTED TO BE CONNECTED TO A POWER SOURCE AND HAVING GROUND MEANS CONNECTED TO ONE SIDE OF SAID LAMPS AND POWER MEANS ADAPTED TO BE CONNECTED THROUGH SAID MOTOR AND SAID SWITCH CONNECTORS OF SAID TIMER TO THE OTHER SIDE OF SAID LAMPS, THE MOTOR OF SAID TIMER BEING ENERGIZABLE THEREBY TO SELECTIVELY ENERGIZE THE SWITCH CONNECTORS, (E) THE ILLUMINATION OF SAID CONTINUITY TEST LAMP SERVING TO INDICATE THE PROPER OR IMPROPER ENERGIZATION OF ITS RESPECTIVE SWITCH CONNECTOR.

References Cited (Backward Citations)

US2887622A Cited
US2810881A Cited
US2982913A Cited
US2977530A Cited
US3011061A Cited
US3163926A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

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