US3164704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blast-valve mechanism for compressedgas circuit interrupter
Assignee: Westinghouse Electric Corp
•
Filing: 1960-10-17
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Granted: 1965-01-05
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Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Russell N Yeckley
- 👤 Sucha Joseph
- 👤 Roswell C Van Sickle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:05
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/80; H01H33/82; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A COMPRESSED-GAS CIRCUIT INTERRUPTER INCLUDING CONTACT MEANS SEPARABLE TO ESTABLISH AN ARC, A COMPRESSEDGAS RESERVOIR CHAMBER, BLAST-VALVE MEANS FOR CONTROLLING A FLOW OF COMPRESSED GAS FROM SAID COMPRESSED-GAS RESERVOIR CHAMBER TO EFFECT EXTINCTION OF SAID ARC, SAID BLASTVALVE MEANS INCLUDING A BLAST VALVE, A PIVOTALLY MOUNTED BLAST-VALVE OPERATING LEVER HAVING A RATCHET PORTION, A PAWL FOR ENGAGING SAID RATCHET PORTION, AND MEANS RESPONSIVE TO OPENING MOTION OF SAID CONTACT MEANS FOR EFFECTING THRU SAID PAWL THE OPENING MOVEMENT OF THE BLAST-VALVE.
Claim 2
Dependent Claim
81 words
A COMPRESSED-GAS CIRCUIT INTERRUPTER INCLUDING CONTACT MEANS SEPARABLE TO ESTABLISH AN ARC, A COMPRESSEDGAS RESERVOIR CHAMBER, BLAST-VALVE MEANS FOR CONTROLLING A FLOW OF COMPRESSED GAS FROM SAID COMPRESSED-GAS RESERVOIR CHAMBER TO EFFECT EXTINCTION OF SAID ARC, SAID BLASTVALVE MEANS INCLUDING A BLAST VALVE, A PIVOTALLY MOUNTED BLAST-VALVE OPERATING LEVER HAVING A RATCHET PORTION, A PAWL FOR ENGAGING SAID RATCHET PORTION, AND MEANS RESPONSIVE TO OPENING MOTION OF SAID CONTACT MEANS FOR EFFECTING THRU SAID PAWL THE OPENING MOVEMENT OF THE BLAST-VALVE.
References Cited (Backward Citations)
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US1710289A
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US2238317A
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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) | 1968-01-05 | 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 |