US3089927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isolating switch arrangement
Assignee: ITE Circuit Breaker Co
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Filing: 1960-02-01
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Granted: 1963-05-14
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Foti Arem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:21
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN COMBINATION A HIGH VOLTAGE CIRCUIT BREAKER, AN ENERGIZING BUS, AND AN ISOLATING SWITCH OPERABLE BETWEEN A FIRST AND SECOND POSITION WHEREIN SAID CIRCUIT BREAKER IS CONNECTED AND DISCONNECTED RESPECTIVELY FROM SAID ENERGIZING BUS; SAID CIRCUIT BREAKER INCLUDING A CASING, AN INSULATOR BUSHING SECURED TO SAID CASING AND HAVING A FREE END DISPOSED EXTERNALLY OF SAID CASING; SAID SWITCH COMPRISING A FIRST STATIONARY CONTACT SECURED TO SAID BUSHING FREE END, A SECOND STATIONARY CONTACT ELECTRICALLY CONNECTED TO SAID ENERGIZING BUS AND IN FIXED SPACED RELATION WITH RESPECT TO SAID FIRST STATIONARY CONTACT, AND A BRIDGING MEMBER FOR COMPLETING A CIRCUIT BETWEEN SAID STATIONARY CONTACTS WHEN SAID SWITCH IS IN SAID FIRST POSITION; SAID BRIDGING MEMBER COMPRISING A RIGID ELONGATED CONDUCTING MEANS MOVABLE ALONG THE LONGITUDINAL AXIS THEREOF FOR OPERATION OF SAID SWITCH BETWEEN SAID FIRST AND SAID SECOND POSITIONS THE AXIS OF SAID BUSHING BEING AT AN ANGLE TO SAID LONGITUDINAL AXIS OF SAID BRIDGING MEMBER; SAID BRIDGING MEMBER HAVING A RING SECURED THERETO FOR RECEIVING A HOOK STICK; SAID FREE END OF SAID INSULATOR BUSHING EXTENDING BEYOND THE PERIPHERY OF SAID CASING.
Claim 2
Dependent Claim
183 words
IN COMBINATION A HIGH VOLTAGE CIRCUIT BREAKER, AN ENERGIZING BUS, AND AN ISOLATING SWITCH OPERABLE BETWEEN A FIRST AND SECOND POSITION WHEREIN SAID CIRCUIT BREAKER IS CONNECTED AND DISCONNECTED RESPECTIVELY FROM SAID ENERGIZING BUS; SAID CIRCUIT BREAKER INCLUDING A CASING, AN INSULATOR BUSHING SECURED TO SAID CASING AND HAVING A FREE END DISPOSED EXTERNALLY OF SAID CASING; SAID SWITCH COMPRISING A FIRST STATIONARY CONTACT SECURED TO SAID BUSHING FREE END, A SECOND STATIONARY CONTACT ELECTRICALLY CONNECTED TO SAID ENERGIZING BUS AND IN FIXED SPACED RELATION WITH RESPECT TO SAID FIRST STATIONARY CONTACT, AND A BRIDGING MEMBER FOR COMPLETING A CIRCUIT BETWEEN SAID STATIONARY CONTACTS WHEN SAID SWITCH IS IN SAID FIRST POSITION; SAID BRIDGING MEMBER COMPRISING A RIGID ELONGATED CONDUCTING MEANS MOVABLE ALONG THE LONGITUDINAL AXIS THEREOF FOR OPERATION OF SAID SWITCH BETWEEN SAID FIRST AND SAID SECOND POSITIONS THE AXIS OF SAID BUSHING BEING AT AN ANGLE TO SAID LONGITUDINAL AXIS OF SAID BRIDGING MEMBER; SAID BRIDGING MEMBER HAVING A RING SECURED THERETO FOR RECEIVING A HOOK STICK; SAID FREE END OF SAID INSULATOR BUSHING EXTENDING BEYOND THE PERIPHERY OF SAID CASING.
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |