US3180959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-break fluid-blast circuit breaker
Assignee: Westinghouse Electric Corp
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Filing: 1960-10-28
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Granted: 1965-04-27
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 John B Macneill
- 👤 Miellon National Bank A Compan
- 👤 Wayne S Aspey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:12
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/14; H01H33/22; H01H33/70; H01H33/80; H01H33/82
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
AN ARC-EXTINGUISHING ASSEMBLAGE INCLUDING A PLURALITY OF SERIALLY-RELATED ARC-EXTINGUISHING UNITS, EACH UNIT INCLUDING A GENERALLY TUBULARLY-SHAPED CONTACT SUPPORT HAVING A STATIONARY CONTACT ADJUSTABLY THREADEDLY SUPPORTED ADJACENT ONE END THEREOF, THE OTHER END OF THE TUBULARLY-SHAPED CONTACT SUPPORT FIXEDLY SECURING AN INSULATING ORIFICE STRUCTURE INTO OPERATIVE POSITION, EACH STATIONARY CONTACT HAVING OPPOSED CONTACT FINGERS AND AN ARCING ROD SECURED TO A MID-WEB PORTION THEREOF, AND A PLURALITY OF LATERALLY-SUPPORTED TUBULAR MOVABLE CONTACTS MAKING SEPARABLE CONTACTING ENGAGEMENT WITH ONE SET OF CONTACT FINGERS OF ONE RELATIVELY STATIONARY CONTACT AND ALSO CONSTANT CONTACTING ENGAGEMENT WITH THE NEXT ADJACENT RELATIVELY STATIONARY CONTACT.
References Cited (Backward Citations)
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Cited
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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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |