Patent DK45089A successfully refreshed from Google Patents.
Patent US3164694A successfully refreshed from Google Patents.
US3164694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double break high voltage disconnect switch
Assignee: McGraw Edison Co
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Filing: 1961-11-13
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Granted: 1965-01-05
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Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Edmond B Gorman
- 👤 Stephen B Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:44
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/14; H01H31/16; H01H31/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A HIGH VOLTAGE DISCONNECTED SWITCH INCLUDING AN ELONGATE INSULATING AND SUPPORTING STRUCTURE HAVING LATERALLY SPACED INSULATORS WHOSE LONGITUDINAL AXES EXTEND IN GENERALLY OPPOSITE DIRECTIONS, MEANS AT THE OUTER END OF EACH OF SAID INSULATORS FOR ANCHORING TRANSMISSION LINES EXTENDING IN SAID GENERALLY OPPOSITE DIRECTIONS, FIXED CONTACT ARMS UPSTANDING FROM THE OUTER ENDS OF SAID INSULATORS, MOVABLE UPSTANDING INSULATOR PIVOTALLY CARRIED BY SAID ELONGATED SUPPORTING STRUCTURE MIDWAY BETWEEN SAID CONTACT ARMS AND EXTENDING IN THE DIRECTION WHICH BISECTS THE ANGLE FORMED BY THE LONGITUDINAL AXES OF SAID INSULATORS, AND A BRIDGING CONTACT MEMBER CARRIED BY SAID INSULATOR AND COOPERABLE WITH SAID CONTACT ARMS.
Claim 2
Dependent Claim
102 words
A HIGH VOLTAGE DISCONNECTED SWITCH INCLUDING AN ELONGATE INSULATING AND SUPPORTING STRUCTURE HAVING LATERALLY SPACED INSULATORS WHOSE LONGITUDINAL AXES EXTEND IN GENERALLY OPPOSITE DIRECTIONS, MEANS AT THE OUTER END OF EACH OF SAID INSULATORS FOR ANCHORING TRANSMISSION LINES EXTENDING IN SAID GENERALLY OPPOSITE DIRECTIONS, FIXED CONTACT ARMS UPSTANDING FROM THE OUTER ENDS OF SAID INSULATORS, MOVABLE UPSTANDING INSULATOR PIVOTALLY CARRIED BY SAID ELONGATED SUPPORTING STRUCTURE MIDWAY BETWEEN SAID CONTACT ARMS AND EXTENDING IN THE DIRECTION WHICH BISECTS THE ANGLE FORMED BY THE LONGITUDINAL AXES OF SAID INSULATORS, AND A BRIDGING CONTACT MEMBER CARRIED BY SAID INSULATOR AND COOPERABLE WITH SAID CONTACT ARMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |