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US3191114A Expired / Lapsed US ⏱️ 0.0 years remaining

Time delay motor starting system

Assignee: ExxonMobil Oil Corp
•
Filing: 1962-09-26
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Granted: 1965-06-22
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Expires: 1982-09-26
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Abstract

No abstract record available.

Inventors

  • 👤 Charles W Reed

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:02
CPC Classifications
H; H02; H02P; H02P1/00; H02P1/16; H02P1/54; H02P1/58; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/114; Y10T74/21; Y10T74/2142; Y10T74/2154

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 249 words
A MOTOR CONTROL SYSTEM COUPLED TO POWER SUPPLY MEANS FOR STARTING AN ELECTRIC MOTOR COMPRISING: A FIRST RELAY CONTROL MEANS FOR APPLYING STARTING AND RUNNING POWER TO SAID MOTOR, A TIME DELAY CIRCUIT HAVING A NORMALLY OPEN FIRST SWITCH MEANS WHICH IS CLOSED AFTER A PREDETERMINED TIME DELAY FOLLOWING APPLICATION OF CURRENT TO SAID TIME DELAY MEANS, SAID TIME DELAY CIRCUIT HAVING INPUT AND OUTPUT ENDS COUPLED TO SAID FIRST SWITCH MEANS, THE CURRENT RATING OF SAID TIME DELAY CIRCUIT BEING LESS THAN THAT OF SAID FIRST RELAY CONTROL MEANS, AN ENERGIZING CIRCUIT COUPLED TO SAID POWER SUPPLY MEANS AND TO SAID INPUT END OF SAID TIME DELAY CIRCUIT, A SHUNTING CIRCUIT INCLUDING A SECOND SWITCH MEANS, SAID SHUNTING CIRCUIT HAVING A FIRST END COUPLED TO SAID ENERGIZING CIRCUIT AT A POINT BETWEEN SAID POWER SUPPLY MEANS AND SAID TIME DELAY CIRCUIT AND A SECOND END COUPLED TO SAID FIRST CONTROL MEANS, A SECOND RELAY CONTROL MEANS OF CURRENT RATING WITHIN THE CURRENT LIMITS OF SAID DELAY CIRCUIT FOR CLOSING SAID SECOND SWITCH MEANS INDEPENDENTLY OF SAID FIRST RELAY CONTROL MEANS, SAID SECOND RELAY CONTROL MEANS BEING COUPLED TO SAID OUTPUT END OF SAID TIME DELAY CIRCUIT FOR CLOSING TO CURRENT PASSING FROM SAID ENERGIZING CIRCUIT BY WAY OF SAID FIRST SWITCH MEANS WHEN CLOSED FOR CLOSING SAID SECOND SWITCH MEANS TO COMPLETE SAID SHUNTING CIRCUIT TO SAID FIRST RELAY CONTROL MEANS TO SHUNT SAID TIME DELAY CIRCUIT AND TO APPLY ENERGIZING CURRENT TO SAID FIRST RELAY CONTROL MEANS.
Claim 2
Dependent Claim 249 words
A MOTOR CONTROL SYSTEM COUPLED TO POWER SUPPLY MEANS FOR STARTING AN ELECTRIC MOTOR COMPRISING: A FIRST RELAY CONTROL MEANS FOR APPLYING STARTING AND RUNNING POWER TO SAID MOTOR, A TIME DELAY CIRCUIT HAVING A NORMALLY OPEN FIRST SWITCH MEANS WHICH IS CLOSED AFTER A PREDETERMINED TIME DELAY FOLLOWING APPLICATION OF CURRENT TO SAID TIME DELAY MEANS, SAID TIME DELAY CIRCUIT HAVING INPUT AND OUTPUT ENDS COUPLED TO SAID FIRST SWITCH MEANS, THE CURRENT RATING OF SAID TIME DELAY CIRCUIT BEING LESS THAN THAT OF SAID FIRST RELAY CONTROL MEANS, AN ENERGIZING CIRCUIT COUPLED TO SAID POWER SUPPLY MEANS AND TO SAID INPUT END OF SAID TIME DELAY CIRCUIT, A SHUNTING CIRCUIT INCLUDING A SECOND SWITCH MEANS, SAID SHUNTING CIRCUIT HAVING A FIRST END COUPLED TO SAID ENERGIZING CIRCUIT AT A POINT BETWEEN SAID POWER SUPPLY MEANS AND SAID TIME DELAY CIRCUIT AND A SECOND END COUPLED TO SAID FIRST CONTROL MEANS, A SECOND RELAY CONTROL MEANS OF CURRENT RATING WITHIN THE CURRENT LIMITS OF SAID DELAY CIRCUIT FOR CLOSING SAID SECOND SWITCH MEANS INDEPENDENTLY OF SAID FIRST RELAY CONTROL MEANS, SAID SECOND RELAY CONTROL MEANS BEING COUPLED TO SAID OUTPUT END OF SAID TIME DELAY CIRCUIT FOR CLOSING TO CURRENT PASSING FROM SAID ENERGIZING CIRCUIT BY WAY OF SAID FIRST SWITCH MEANS WHEN CLOSED FOR CLOSING SAID SECOND SWITCH MEANS TO COMPLETE SAID SHUNTING CIRCUIT TO SAID FIRST RELAY CONTROL MEANS TO SHUNT SAID TIME DELAY CIRCUIT AND TO APPLY ENERGIZING CURRENT TO SAID FIRST RELAY CONTROL MEANS.

References Cited (Backward Citations)

US1552235A Cited
US1952299A Cited
US2864049A Cited
US2848630A Cited
US3078392A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-21 1968-12-21 1969-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-21 1972-12-21 1973-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-21 1976-12-21 1977-06-22 $7700.00 Window Closed / Lapsed

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