US3178545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit interrupter with metal plates for arc division having v-shaped edge directed toward arc-initiation region
Assignee: General Electric Co
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Filing: 1962-11-02
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Granted: 1965-04-13
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Expires: 1982-11-02
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Bogert
- 👤 Donald R Kurtz
- 👤 Mishkovsky Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:20
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/34; H01H9/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A METAL-PLATE TYPE ELECTRIC CIRCUIT INTERRUPTR COMPRISING: (A) MEANS DEFINING AN ARC-INITIATION REGION IN WHICH AN ELONGATED ARC IS ADAPTED TO BE ESTABLISHED DURING AN OPENING OPERATIONOF THE INTERRUPTER; (B) A PAIR OF SPACED-APART SIDE WALLS OF INSULATING MATERIAL EXTENDING GENERALLY PARALLEL TO THE LENGTH OF SAID ARC, (C) A PLURALITY OF METAL PLATES EXTENDING TRANSVERSELY OF SAID SIDE WALLS AND SPACED-APART ALONG THE LENGTH OF SAID ARC IN INSULATED RELATIONSHIP TO EACH OTHER, (D) EACH OF SAID PLATES HAVING A FORWARD REGION FACING SAID ARC-INITIATION REGION AND SPACED THEREFROM AGAINST WHICH SAID ARC IS ADAPTED TO BE DRIVEN FROM SAID ARC-INITIATION REGION, (E) THE SPACE BETWEEN SAID FORWARD REGIONS OF THE METAL PLATES AND SAID ARC-INITIATION REGION BEING SUBSTANTIALLY FREE OF BARRIERS TO MOVEMENT OF SAID ARC INTO ENGAGEMENT WITH SAID FORWARD REGIONS OF THE METAL PLATES,
Claim 2
Dependent Claim
138 words
A METAL-PLATE TYPE ELECTRIC CIRCUIT INTERRUPTR COMPRISING: (A) MEANS DEFINING AN ARC-INITIATION REGION IN WHICH AN ELONGATED ARC IS ADAPTED TO BE ESTABLISHED DURING AN OPENING OPERATIONOF THE INTERRUPTER; (B) A PAIR OF SPACED-APART SIDE WALLS OF INSULATING MATERIAL EXTENDING GENERALLY PARALLEL TO THE LENGTH OF SAID ARC, (C) A PLURALITY OF METAL PLATES EXTENDING TRANSVERSELY OF SAID SIDE WALLS AND SPACED-APART ALONG THE LENGTH OF SAID ARC IN INSULATED RELATIONSHIP TO EACH OTHER, (D) EACH OF SAID PLATES HAVING A FORWARD REGION FACING SAID ARC-INITIATION REGION AND SPACED THEREFROM AGAINST WHICH SAID ARC IS ADAPTED TO BE DRIVEN FROM SAID ARC-INITIATION REGION, (E) THE SPACE BETWEEN SAID FORWARD REGIONS OF THE METAL PLATES AND SAID ARC-INITIATION REGION BEING SUBSTANTIALLY FREE OF BARRIERS TO MOVEMENT OF SAID ARC INTO ENGAGEMENT WITH SAID FORWARD REGIONS OF THE METAL PLATES,
References Cited (Backward Citations)
US2146656A
Cited
US3031552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |