Patent US3233151A successfully refreshed from Google Patents.
US3233151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical protective systems
Assignee: General Electric Co
•
Filing: 1962-12-31
•
Granted: 1966-02-01
•
Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:18
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/22; H02H7/228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A GROUND FAULT PROTECTIVE SYSTEM FOR ALTERNATING CURRENT ELECTRIC POWER APPARATUS COMPRISING, A MAIN MULTIPOLE CIRCUIT INTERRUPTER ADAPTED FOR CONNECTION TO A POLYPHASE POWER SOURCE HAVING A GROUNDED TERMINAL, A FEEDER MULTIPOLE CIRCUIT INTERRUPTER CONNECTED TO SAID MAIN INTERRUPTER, METAL HOUSING MEANS FOR HOUSING SAID MAIN AND FEEDER CIRCUIT INTERRUPTERS, A FEEDER CIRCUIT EMANATING FROM SAID HOUSING MEANS AND CONNECTED TO SAID FEEDER CIRCUIT INTERRUPTER, A METAL CONDUIT SURROUNDING SAID FEEDER CIRCUIT OUTSIDE SAID HOUSING MEANS INSULATED FROM SAID HOUSING MEANS, FIRST ELECTROCONDUCTIVE MEANS ADAPTED FOR CONNECTION TO SAID CONDUIT AND TO THE GROUNDED TERMINAL AND INSULATED FROM SAID HOUSING MEANS, SECOND ELECTROCONDUCTIVE MEANS ADAPTED FOR CONNECTION BETWEEN SAID HOUSING MEANS AND THE GROUNDED TERMINAL, FIRST ELECTRORESPONSIVE MEANS RESPONSIVE TO FAULT CURRENT IN SAID FIRST ELECTROCONDUCTIVE MEANS CONNECTED FOR OPERATING SAID FEEDER CIRCUIT INTERRUPTER, AND SECOND ELECTRORESPONSIVE MEANS RESPONSIVE TO FAULT CURRENT IN SAID SECOND ELECTROCONDUCTIVE MEANS CONNECTED FOR OPERATING SAID MAIN CIRCUIT INTERRUPTER.
Claim 2
Dependent Claim
154 words
A GROUND FAULT PROTECTIVE SYSTEM FOR ALTERNATING CURRENT ELECTRIC POWER APPARATUS COMPRISING, A MAIN MULTIPOLE CIRCUIT INTERRUPTER ADAPTED FOR CONNECTION TO A POLYPHASE POWER SOURCE HAVING A GROUNDED TERMINAL, A FEEDER MULTIPOLE CIRCUIT INTERRUPTER CONNECTED TO SAID MAIN INTERRUPTER, METAL HOUSING MEANS FOR HOUSING SAID MAIN AND FEEDER CIRCUIT INTERRUPTERS, A FEEDER CIRCUIT EMANATING FROM SAID HOUSING MEANS AND CONNECTED TO SAID FEEDER CIRCUIT INTERRUPTER, A METAL CONDUIT SURROUNDING SAID FEEDER CIRCUIT OUTSIDE SAID HOUSING MEANS INSULATED FROM SAID HOUSING MEANS, FIRST ELECTROCONDUCTIVE MEANS ADAPTED FOR CONNECTION TO SAID CONDUIT AND TO THE GROUNDED TERMINAL AND INSULATED FROM SAID HOUSING MEANS, SECOND ELECTROCONDUCTIVE MEANS ADAPTED FOR CONNECTION BETWEEN SAID HOUSING MEANS AND THE GROUNDED TERMINAL, FIRST ELECTRORESPONSIVE MEANS RESPONSIVE TO FAULT CURRENT IN SAID FIRST ELECTROCONDUCTIVE MEANS CONNECTED FOR OPERATING SAID FEEDER CIRCUIT INTERRUPTER, AND SECOND ELECTRORESPONSIVE MEANS RESPONSIVE TO FAULT CURRENT IN SAID SECOND ELECTROCONDUCTIVE MEANS CONNECTED FOR OPERATING SAID MAIN CIRCUIT INTERRUPTER.
References Cited (Backward Citations)
US3113245A
Cited
US3113244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |