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US3142797A Expired / Lapsed US ⏱️ 0.0 years remaining

Test apparatus for automobile generators, alternators and voltage regulators

Assignee: Individual
•
Filing: 1961-04-20
•
Granted: 1964-07-28
•
Expires: 1981-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 George W Grant

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:29
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/005; G01R31/006

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 142 words
A TEST APPARATUS FOR AUTOMOBILE GENERATORS, ALTERNATORS AND VOLTAGE REGULATORS COMPRISING (A) COUPLING MEANS COMPRISING FIRST, SECOND, THIRD, FOURTH AND FIFTH COUPLINGS FOR CONNECTION TO THE UNGROUNDED TERMINAL OF AN AUTOMOBILE BATTERY, THE BATTERY TERMINAL OF AN AUTOMOBILE VOLTAGE REGULATOR, THE FIELD TERMINAL OF THE AUTOMOBILE VOLTAGE REGULATOR, THE FIELD TERMINAL OF AN AUTOMOBILE GENERATOR AND THE GENERATOR TERMINAL OF THE AUTOMOBILE VOLTAGE REGULATOR, RESPECTIVELY; AND A SIXTH COUPLING FOR CONNECTION TO THE AUTOMOBILE GROUND; (B) A METERING CIRCUIT; (C) CIRCUIT MEANS INCLUDING RESPECTIVE FIRST PAIRS OF NORMALLY CLOSED CONTACTS OF RESPECTIVE FIRST AND SECOND MULTIPLE CONTACT SWITCH MEANS CONNECTING SAID METERING CIRCUIT BETWEEN SAID SECOND AND SIXTH COUPLING; (D) SAID METERING CIRCUIT HAVING MEANS FOR INDICATING THE VOLTAGE BETWEEN SAID SECOND AND SIXTH COUPLINGS AND BEING CAPABLE OF INDICATING WHETHER SAID VOLTAGE IS BELOW, WITHIN OR ABOVE A PREDETERMINED VOLTAGE RANGE;
Claim 2
Dependent Claim 142 words
A TEST APPARATUS FOR AUTOMOBILE GENERATORS, ALTERNATORS AND VOLTAGE REGULATORS COMPRISING (A) COUPLING MEANS COMPRISING FIRST, SECOND, THIRD, FOURTH AND FIFTH COUPLINGS FOR CONNECTION TO THE UNGROUNDED TERMINAL OF AN AUTOMOBILE BATTERY, THE BATTERY TERMINAL OF AN AUTOMOBILE VOLTAGE REGULATOR, THE FIELD TERMINAL OF THE AUTOMOBILE VOLTAGE REGULATOR, THE FIELD TERMINAL OF AN AUTOMOBILE GENERATOR AND THE GENERATOR TERMINAL OF THE AUTOMOBILE VOLTAGE REGULATOR, RESPECTIVELY; AND A SIXTH COUPLING FOR CONNECTION TO THE AUTOMOBILE GROUND; (B) A METERING CIRCUIT; (C) CIRCUIT MEANS INCLUDING RESPECTIVE FIRST PAIRS OF NORMALLY CLOSED CONTACTS OF RESPECTIVE FIRST AND SECOND MULTIPLE CONTACT SWITCH MEANS CONNECTING SAID METERING CIRCUIT BETWEEN SAID SECOND AND SIXTH COUPLING; (D) SAID METERING CIRCUIT HAVING MEANS FOR INDICATING THE VOLTAGE BETWEEN SAID SECOND AND SIXTH COUPLINGS AND BEING CAPABLE OF INDICATING WHETHER SAID VOLTAGE IS BELOW, WITHIN OR ABOVE A PREDETERMINED VOLTAGE RANGE;

References Cited (Backward Citations)

US2686293A Cited
US2780777A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-28 1968-01-27 1968-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-28 1972-01-27 1972-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-28 1976-01-27 1976-07-28 $7700.00 Window Closed / Lapsed

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