Patent US3071671A successfully refreshed from Google Patents.
US3071671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupters
Assignee: Westinghouse Electric Corp
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Filing: 1959-07-22
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Granted: 1963-01-01
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Expires: 1979-07-22
Abstract
No abstract record available.
Inventors
- 👤 Winthrop M Leeds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:49
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/14; H01H33/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A CIRCUIT INTERRUPTER FOR HIGH-VOLTAGE SERVICE INCLUDING A PLURALITY OF SPACED UPSTANDING ARC-EXTINGUISHING ASSEMBLAGES, ONLY A SINGLE UPSTANDING INSULATING HOLLOW COLUMN FOR SUPPORTING EACH ARC-EXTINGUISHING ASSEMBLAGE UP IN THE AIR ABOVE GROUND POTENTIAL, AN OPERATING MECHANISM AT GROUND POTENTIAL, AN INSULATING OPERATING ROD EXTENDING INTERIORLY UPWARDLY WITHIN EACH HOLLOW INSULATING COLUMN, CONTACT STRUCTURE ASSOCIATED WITH EACH ARC-EXTINGUISHING ASSEMBLAGE WHICH IS OPERATED BY THE RESPECTIVE INSULATING OPERATING ROD, SAID CONTACT STRUCTURE INCLUDING A SERIALLY RELATED PAIR OF ROTATABLE CONTACT BLADES AND FOUR SERIALLY RELATED STATIONARY CONTACTS, CRANK MEANS FOR SIMULTANEOUSLY ACTUATING SAID ROTATABLE CONTACT BLADES, AND AN OPERATING SHAFT EXTENDING BETWEEN THE HOLLOW INSULATING COLUMNS CONNECTED TO THE SEVERAL INSULATING OPERATING RODS AND ACTUATED BY SAID OPERATING MECHANISM.
Claim 2
Dependent Claim
117 words
A CIRCUIT INTERRUPTER FOR HIGH-VOLTAGE SERVICE INCLUDING A PLURALITY OF SPACED UPSTANDING ARC-EXTINGUISHING ASSEMBLAGES, ONLY A SINGLE UPSTANDING INSULATING HOLLOW COLUMN FOR SUPPORTING EACH ARC-EXTINGUISHING ASSEMBLAGE UP IN THE AIR ABOVE GROUND POTENTIAL, AN OPERATING MECHANISM AT GROUND POTENTIAL, AN INSULATING OPERATING ROD EXTENDING INTERIORLY UPWARDLY WITHIN EACH HOLLOW INSULATING COLUMN, CONTACT STRUCTURE ASSOCIATED WITH EACH ARC-EXTINGUISHING ASSEMBLAGE WHICH IS OPERATED BY THE RESPECTIVE INSULATING OPERATING ROD, SAID CONTACT STRUCTURE INCLUDING A SERIALLY RELATED PAIR OF ROTATABLE CONTACT BLADES AND FOUR SERIALLY RELATED STATIONARY CONTACTS, CRANK MEANS FOR SIMULTANEOUSLY ACTUATING SAID ROTATABLE CONTACT BLADES, AND AN OPERATING SHAFT EXTENDING BETWEEN THE HOLLOW INSULATING COLUMNS CONNECTED TO THE SEVERAL INSULATING OPERATING RODS AND ACTUATED BY SAID OPERATING MECHANISM.
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |