US3356809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-break compressed-gas circuit interrupters with rotating gasconducting bridging members
Assignee: Westinghouse Electric Corp
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Filing: 1964-06-08
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Granted: 1967-12-05
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert G Colclaser
- 👤 Frank L Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/42; H01H33/00; H01H33/02; H01H33/04; H01H33/12; H01H33/16; H01H33/166; H01H33/24; H01H33/53; H01H33/56; H01H33/70; H01H33/72; H01H33/74; H01H33/86; H01H33/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A COMPRESSED-GAS DUAL-PRESSURE CIRCUIT INTERRUPTER INCLUDING A PAIR OF GAS-BLAST ARC-EXTINGUISHING UNITS, SUPPORTING MEANS FOR SUPPORTING SAID PAIR OF GAS-BLAST ARCEXTINGUISHING UNITS IN SPACED-APART RELATION, RELATIVELY STATIONARY CONTACT MEANS ASSOCIATED WITH EACH OF SAID GASBLAST UNITS, MEANS DEFINING A ROTATING CONDUIT HUB ASSEMBLY, SAID ROTATING CONDUIT HUB ASSEMBLY CARRYING A PAIR OF SERIALLY-RELATED MOVABLE TUBULAR CONTACTS FOR COOPERATING IN A SERIAL MANNER WITH THE TWO RELATIVELY STATIONARY CONTACT MEANS FOR ESTABLISHING A PAIR OF SERIALLY-RELATED ARCS, A SOURCE OF HIGH-PRESSURE GAS, MEANS INCLUDING SAID ROTATING CONDUIT HUB ASSEMBLY FOR TRANSMITTING A FLOW OF HIGH-PRESSURE GAS FROM SAID HIGH-PRESSURE SOURCE RADIALLY OUTWARDLY THROUGH SAID PAIR OF MOVABLE TUBULAR CONTACTS AND TOWARD THE TWO SERIALLY-RELATED ESTABLISHED ARCS TO EFFECT THEIR EXTINCTION, AND EACH ARC-EXTINGUISHING UNIT INCLUDING A CONFINED CHAMBER WITHIN WHICH THE OUTWARD EXPELLED GAS IS STORED FOR SUBSEQUENT EXHAUSTING ARC-EXTINGUISHING FLOW ADJACENT THE RESPECTIVE ARC.
Claim 2
Dependent Claim
144 words
A COMPRESSED-GAS DUAL-PRESSURE CIRCUIT INTERRUPTER INCLUDING A PAIR OF GAS-BLAST ARC-EXTINGUISHING UNITS, SUPPORTING MEANS FOR SUPPORTING SAID PAIR OF GAS-BLAST ARCEXTINGUISHING UNITS IN SPACED-APART RELATION, RELATIVELY STATIONARY CONTACT MEANS ASSOCIATED WITH EACH OF SAID GASBLAST UNITS, MEANS DEFINING A ROTATING CONDUIT HUB ASSEMBLY, SAID ROTATING CONDUIT HUB ASSEMBLY CARRYING A PAIR OF SERIALLY-RELATED MOVABLE TUBULAR CONTACTS FOR COOPERATING IN A SERIAL MANNER WITH THE TWO RELATIVELY STATIONARY CONTACT MEANS FOR ESTABLISHING A PAIR OF SERIALLY-RELATED ARCS, A SOURCE OF HIGH-PRESSURE GAS, MEANS INCLUDING SAID ROTATING CONDUIT HUB ASSEMBLY FOR TRANSMITTING A FLOW OF HIGH-PRESSURE GAS FROM SAID HIGH-PRESSURE SOURCE RADIALLY OUTWARDLY THROUGH SAID PAIR OF MOVABLE TUBULAR CONTACTS AND TOWARD THE TWO SERIALLY-RELATED ESTABLISHED ARCS TO EFFECT THEIR EXTINCTION, AND EACH ARC-EXTINGUISHING UNIT INCLUDING A CONFINED CHAMBER WITHIN WHICH THE OUTWARD EXPELLED GAS IS STORED FOR SUBSEQUENT EXHAUSTING ARC-EXTINGUISHING FLOW ADJACENT THE RESPECTIVE ARC.
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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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |