Patent US3154658A successfully refreshed from Google Patents.
US3154658A
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US
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Circuit interrupter with movable tubular contact as sole vent for interrupting chamber
Assignee: Westinghouse Electric Corp
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Filing: 1960-10-07
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Granted: 1964-10-27
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Expires: 1980-10-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert G Colclaser
- 👤 Russell N Yeckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:10
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A COMPRESSED-GAS CIRCUIT INTERRUPTER INCLUDING MEANS AT LEAST PARTIALLY OF INSULATING MATERIAL DEFINING AN INTERRUPTING CHAMBER HAVING AN ENTRANCE OPENING THEREIN, A RELATIVELY STATIONARY CONTACT DISPOSED WITHIN THE INTERRUPTING CHAMBER, A MOVABLE TUBULAR CONTACT MOVABLE THROUGH SAID ENTRANCE OPENING INTO CONTACTING ENGAGEMENT WITH THE RELATIVELY STATIONARY CONTACT TO COMPLETE THE CIRCUIT THROUGH THE CIRCUIT INTERRUPTER, MEANS FOR ADMITTING GAS UNDER PRESSURE FREELY WITHOUT OBSTRUCTION INTO THE INTERRUPTING CHAMBER DURING THE OPENING OPERATION, VENTING MEANS FOR SAID INTERRUPTING CHAMBER PROVIDED THROUGH SAID MOVABLE TUBULAR CONTACT TO CAUSE GAS FLOW TO TAKE PLACE INTERIORLY OF THE MOVABLE TUBULAR CONTACT DURING THE OPENING OPERATION, AND SAID VENTING MEANS CONSTITUTING THE SOLE VENT FROM THE CHAMBER DURING THE INTERRUPTING PROCESS.
Claim 2
Dependent Claim
116 words
A COMPRESSED-GAS CIRCUIT INTERRUPTER INCLUDING MEANS AT LEAST PARTIALLY OF INSULATING MATERIAL DEFINING AN INTERRUPTING CHAMBER HAVING AN ENTRANCE OPENING THEREIN, A RELATIVELY STATIONARY CONTACT DISPOSED WITHIN THE INTERRUPTING CHAMBER, A MOVABLE TUBULAR CONTACT MOVABLE THROUGH SAID ENTRANCE OPENING INTO CONTACTING ENGAGEMENT WITH THE RELATIVELY STATIONARY CONTACT TO COMPLETE THE CIRCUIT THROUGH THE CIRCUIT INTERRUPTER, MEANS FOR ADMITTING GAS UNDER PRESSURE FREELY WITHOUT OBSTRUCTION INTO THE INTERRUPTING CHAMBER DURING THE OPENING OPERATION, VENTING MEANS FOR SAID INTERRUPTING CHAMBER PROVIDED THROUGH SAID MOVABLE TUBULAR CONTACT TO CAUSE GAS FLOW TO TAKE PLACE INTERIORLY OF THE MOVABLE TUBULAR CONTACT DURING THE OPENING OPERATION, AND SAID VENTING MEANS CONSTITUTING THE SOLE VENT FROM THE CHAMBER DURING THE INTERRUPTING PROCESS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |