Patent US3150245A successfully refreshed from Google Patents.
US3150245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquefied gas circuit interrupters
Assignee: Westinghouse Electric Corp
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Filing: 1957-09-13
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Granted: 1964-09-22
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Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 Winthrop M Leeds
- 👤 Benjamin P Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:25
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/98; H01H33/02; H01H33/04; H01H33/22; H01H33/7015; H01H33/7023; H01H33/88; H01H33/90; H01H33/91; H01H2033/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A FLUID-BLAST CIRCUIT INTERRUPTER INCLUDING A PAIR OF SEPARABLE CONTATS SEPARABLE TO ESTABLISH AN ARC, AN ORIFICE MEMBER ASSOCIATED WITH ONE OF SAID CONTACTS TO DIRECT FLUID FLOW INTO THE ARC, MEANS DEFINING A MANIFOLD AT LEAST PARTIALLY SURROUNDING SAID ORIFICE MEMBER, MEANS PROVIDING AN INLET OPENING TO SAID MANIFOLD, MEANS FOR FORCING AT LEAST ONE LIQUIFIED GASEOUS FLUORINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF SEF6, SF6, SOF2, C2F6, C3F8, CLO3, CF3BR, CCL2F2, AND CCLF3 THROUGH SAID INLET OPENING AND INTO THE MANIFOLD, A PLURALITY OF INLET APERTURES SPACED CIRCUMFERENTIALLY AROUND SAID ORIFICE MEMBER AND EXTENDING THROUGH THE SAME FOR FEEDING FLUID INTO THE ARC, AND SAID INLET APERTURES IN ADDITION EXTENDING AXIALLY OF SAID ORIFICE MEMBER TO DISSEMINATE THE ENTRANCE FLOW OF FLUID INTO THE ARC STREAM.
Claim 2
Dependent Claim
129 words
A FLUID-BLAST CIRCUIT INTERRUPTER INCLUDING A PAIR OF SEPARABLE CONTATS SEPARABLE TO ESTABLISH AN ARC, AN ORIFICE MEMBER ASSOCIATED WITH ONE OF SAID CONTACTS TO DIRECT FLUID FLOW INTO THE ARC, MEANS DEFINING A MANIFOLD AT LEAST PARTIALLY SURROUNDING SAID ORIFICE MEMBER, MEANS PROVIDING AN INLET OPENING TO SAID MANIFOLD, MEANS FOR FORCING AT LEAST ONE LIQUIFIED GASEOUS FLUORINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF SEF6, SF6, SOF2, C2F6, C3F8, CLO3, CF3BR, CCL2F2, AND CCLF3 THROUGH SAID INLET OPENING AND INTO THE MANIFOLD, A PLURALITY OF INLET APERTURES SPACED CIRCUMFERENTIALLY AROUND SAID ORIFICE MEMBER AND EXTENDING THROUGH THE SAME FOR FEEDING FLUID INTO THE ARC, AND SAID INLET APERTURES IN ADDITION EXTENDING AXIALLY OF SAID ORIFICE MEMBER TO DISSEMINATE THE ENTRANCE FLOW OF FLUID INTO THE ARC STREAM.
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |