Patent US3137780A successfully refreshed from Google Patents.
US3137780A
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US
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Circuit breaker handle assembly
Assignee: General Electric Co
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Filing: 1960-10-10
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Granted: 1964-06-16
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Powell David Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:36
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/521
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING A MOLDED INSULATING CASING, AT LEAST ONE RELATIVELY STATIONARY CONTACT MOUNTED IN SAID INSULATING CASING, AT LEAST ONE MOVABLE CONTACT MOVABLE BETWEEN OPEN AND CLOSED CIRCUIT POSITION INTO AND OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, MANUALLY OPERABLE MEANS FOR MOVING SAID MOVABLE CONTACT BETWEEN SAID OPEN AND CLOSED CIRCUIT POSITIONS COMPRISING A HANDLE SUPPORTING MEMBER HAVING A GENERALLY PLANAR METALLIC PORTION INCLUDING AN OFFSET TONGUE PORTION,
Claim 2
Dependent Claim
72 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING A MOLDED INSULATING CASING, AT LEAST ONE RELATIVELY STATIONARY CONTACT MOUNTED IN SAID INSULATING CASING, AT LEAST ONE MOVABLE CONTACT MOVABLE BETWEEN OPEN AND CLOSED CIRCUIT POSITION INTO AND OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, MANUALLY OPERABLE MEANS FOR MOVING SAID MOVABLE CONTACT BETWEEN SAID OPEN AND CLOSED CIRCUIT POSITIONS COMPRISING A HANDLE SUPPORTING MEMBER HAVING A GENERALLY PLANAR METALLIC PORTION INCLUDING AN OFFSET TONGUE PORTION,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |