US3088008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Westinghouse Electric Corp
•
Filing: 1959-11-03
•
Granted: 1963-04-30
•
Expires: 1979-11-03
Abstract
No abstract record available.
Inventors
- 👤 Francis L Gelzheiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:05
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/522; H01H71/524; H01H71/02; H01H71/0207; H01H71/0221; H01H71/12; H01H71/14; H01H71/16; H01H71/162; H01H71/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A CIRCUIT BREAKER COMPRISING, IN COMBINATION, A STATIONARY CONTACT AND A MOVABLE CONTACT COOPERATING THEREWITH TO OPEN AND CLOSE A CIRCUIT, A ONE-PIECE GENERALLY FLAT METALLIC FRAME DISPOSED MAINLY IN ONE PLANE AND HAVING A NUMBER OF PROJECTIONS FORMED INTEGRAL THEREWITH EXTENDING OUT OF SAID PLANE, AN OPERATING MEMBER SUPPORTED BY ONE OF SAID PROJECTIONS AND MOVABLE TO ACTUATE SAID MOVABLE CONTACT MEMBER, AN INSULATING PIVOT SUPPORTED BY ONE OF SAID PROJECTIONS, A RELEASABLE TRIP MEMBER PIVOTALLY SUPPORTED ON SAID INSULATING PIVOT, AN OVERCENTER SPRING HAVING ONE END ATTACHED TO SAID TRIP
Claim 2
Dependent Claim
92 words
A CIRCUIT BREAKER COMPRISING, IN COMBINATION, A STATIONARY CONTACT AND A MOVABLE CONTACT COOPERATING THEREWITH TO OPEN AND CLOSE A CIRCUIT, A ONE-PIECE GENERALLY FLAT METALLIC FRAME DISPOSED MAINLY IN ONE PLANE AND HAVING A NUMBER OF PROJECTIONS FORMED INTEGRAL THEREWITH EXTENDING OUT OF SAID PLANE, AN OPERATING MEMBER SUPPORTED BY ONE OF SAID PROJECTIONS AND MOVABLE TO ACTUATE SAID MOVABLE CONTACT MEMBER, AN INSULATING PIVOT SUPPORTED BY ONE OF SAID PROJECTIONS, A RELEASABLE TRIP MEMBER PIVOTALLY SUPPORTED ON SAID INSULATING PIVOT, AN OVERCENTER SPRING HAVING ONE END ATTACHED TO SAID TRIP
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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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |