Patent US3931695A successfully refreshed from Google Patents.
US3158786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overcurrent protection device
Assignee: General Electric Co
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Filing: 1962-06-26
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Granted: 1964-11-24
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Expires: 1982-06-26
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Hurtle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/025; H02H3/08; H02H3/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN ELECTRICAL PROTECTIVE CIRCUIT COMPRISING: (A) A MAIN CURRENT CONTROL DEVICE, (B) MEANS FOR CONNECTING SAID MAIN CURRENT CONTROL DEVICE ELECTRICALLY IN SERIES WITH A POWER CONSUMING LOAD ACROSS A SOURCE OF ELECTRICAL POWER, (C) ELECTRICAL CHARGE STORAGE MEANS, (D) MEANS FOR CONNECTING SAID ELECTRICAL CHARGE STORAGE MEANS ELECTRICALLY IN PARALLEL WITH SAID MAIN CURRENT CONTROL DEVICE UPON THE OCCURRENCE OF PREDETERMINED CURRENT CONDITIONS IN SAID LOAD CIRCUIT, WHEREBY SAID CHARGE OF SAID CHARGE STORAGE MEANS IS PERMITTED TO BE DISCHARGED THROUGH SAID POWER SOURCE AND SAID POWER CONSUMING LOAD, (E) A PAIR OF RELATIVELY SEPARABLE CONTACTS, MEANS FOR RESTRAINING SAID CONTACTS IN CLOSED CONDITION, AND (F) TRIP MEANS CONNECTED ELECTRIALLY IN SERIES IN SAID DISCHARGE PATH OF SAID CHARGE STORAGE MEANS FOR CAUSING AUTOMATIC OPENING OF SAID CONTACTS UPON DISCHARGE OF SAID STORAGE MEANS.
Claim 2
Dependent Claim
135 words
AN ELECTRICAL PROTECTIVE CIRCUIT COMPRISING: (A) A MAIN CURRENT CONTROL DEVICE, (B) MEANS FOR CONNECTING SAID MAIN CURRENT CONTROL DEVICE ELECTRICALLY IN SERIES WITH A POWER CONSUMING LOAD ACROSS A SOURCE OF ELECTRICAL POWER, (C) ELECTRICAL CHARGE STORAGE MEANS, (D) MEANS FOR CONNECTING SAID ELECTRICAL CHARGE STORAGE MEANS ELECTRICALLY IN PARALLEL WITH SAID MAIN CURRENT CONTROL DEVICE UPON THE OCCURRENCE OF PREDETERMINED CURRENT CONDITIONS IN SAID LOAD CIRCUIT, WHEREBY SAID CHARGE OF SAID CHARGE STORAGE MEANS IS PERMITTED TO BE DISCHARGED THROUGH SAID POWER SOURCE AND SAID POWER CONSUMING LOAD, (E) A PAIR OF RELATIVELY SEPARABLE CONTACTS, MEANS FOR RESTRAINING SAID CONTACTS IN CLOSED CONDITION, AND (F) TRIP MEANS CONNECTED ELECTRIALLY IN SERIES IN SAID DISCHARGE PATH OF SAID CHARGE STORAGE MEANS FOR CAUSING AUTOMATIC OPENING OF SAID CONTACTS UPON DISCHARGE OF SAID STORAGE MEANS.
References Cited (Backward Citations)
US3042838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |