Patent US3091678A successfully refreshed from Google Patents.
US3091678A
Expired / Lapsed
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Circuit interrupter structure of the fluid blast type
Assignee: Westinghouse Electric Corp
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Filing: 1961-02-17
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Granted: 1963-05-28
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Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Winthrop M Leeds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:39
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/008; H01H33/70; H01H33/98
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A CIRCUIT INTERRUPTER OF THE FLUID-BLAST TYPE INCLUDING A TANK CONTAINING A DIELECTRIC FLUID, A BAFFLE PLATE HAVING A PAIR OF EXHAUST OPENINGS DISPOSED INTERIORLY WITHIN THE TANK AND DIVIDING THE TANK INTO A PRESSURE-GENERATING CHAMBER AND AN EXHAUST CHAMBER, A PAIR OF RELATIVELY STATIONARY CONTACTS SUPPORTED BY THE BAFFLE PLATE ADJACENT SAID PAIR OF EXHAUST OPENINGS WITHIN THE PRESSURE-GENERATING CHAMBER, A RELATIVELY STATIONARY BRIDGING CONTACT DISPOSED WITHIN THE PRESSURE-GENERATING CHAMBER, SAID BRIDGING CONTACT FORMING A SPACED PAIR OF RELATIVELY STATIONARY PRESSURE-GENERATING CONTACTS, A PAIR OF COOPERABLE MOVABLE CONTACT STRUCTURES, EACH MOVABLE CONTACT STRUCTURE COOPERATING WITH ONE OF SAID RELATIVELY STATIONARY CONTACT AND WITH ONE OF SAID RELATIVELY STATIONARY PRESSURE-GENERATING CONTACTS TO DRAW A PRESSUREGENERATING ARC AND A SERIALLY RELATED INTERRUPTING ARC BEING DRAWN TRANSVERSELY ACROSS AN EXHAUST OPENING, AND THE PRESSURE GENERATED WITHIN THE PRESSURE-GENERATING CHAMBER BY THE TWO PRESSURE-GENERATING ARCS FORCING FLUID TRANSVERSELY ACROSS THE INTERRUPTING ARCS AND THROUGH THE PAIR OF EXHAUST OPENINGS TO THEREBY EFFECT CIRCUIT INTERRUPTION.
Claim 2
Dependent Claim
161 words
A CIRCUIT INTERRUPTER OF THE FLUID-BLAST TYPE INCLUDING A TANK CONTAINING A DIELECTRIC FLUID, A BAFFLE PLATE HAVING A PAIR OF EXHAUST OPENINGS DISPOSED INTERIORLY WITHIN THE TANK AND DIVIDING THE TANK INTO A PRESSURE-GENERATING CHAMBER AND AN EXHAUST CHAMBER, A PAIR OF RELATIVELY STATIONARY CONTACTS SUPPORTED BY THE BAFFLE PLATE ADJACENT SAID PAIR OF EXHAUST OPENINGS WITHIN THE PRESSURE-GENERATING CHAMBER, A RELATIVELY STATIONARY BRIDGING CONTACT DISPOSED WITHIN THE PRESSURE-GENERATING CHAMBER, SAID BRIDGING CONTACT FORMING A SPACED PAIR OF RELATIVELY STATIONARY PRESSURE-GENERATING CONTACTS, A PAIR OF COOPERABLE MOVABLE CONTACT STRUCTURES, EACH MOVABLE CONTACT STRUCTURE COOPERATING WITH ONE OF SAID RELATIVELY STATIONARY CONTACT AND WITH ONE OF SAID RELATIVELY STATIONARY PRESSURE-GENERATING CONTACTS TO DRAW A PRESSUREGENERATING ARC AND A SERIALLY RELATED INTERRUPTING ARC BEING DRAWN TRANSVERSELY ACROSS AN EXHAUST OPENING, AND THE PRESSURE GENERATED WITHIN THE PRESSURE-GENERATING CHAMBER BY THE TWO PRESSURE-GENERATING ARCS FORCING FLUID TRANSVERSELY ACROSS THE INTERRUPTING ARCS AND THROUGH THE PAIR OF EXHAUST OPENINGS TO THEREBY EFFECT CIRCUIT INTERRUPTION.
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |