US3073931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressed-gas circuit interrupter
Assignee: Westinghouse Electric Corp
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Filing: 1959-09-24
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Granted: 1963-01-15
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Winthrop M Leeds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:37
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/80; H01H33/82; H01H33/83
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A COMPRESSED-GAS CIRCUIT INTERRUPTER INCLUDING A RELATIVELY LOW-PRESSURE METALLIC EXHAUST TANK DISPOSED AT HIGH POTENTIAL, A PAIR OF TERMINAL BUSHINGS EXTENDING INTO SAID METALLIC EXHAUST TANK AND CARRYING RELATIVELY STATIONARY CONTACT STRUCTURES AT THEIR INTERIOR ENDS, A HIGH-PRESSURE STORAGE TANK DISPOSED AT HIGH POTENTIAL AND POSITIONED INTERIORLY WITHIN SAID RELATIVELY LOW-PRESSURE METALLIC EXHAUST TANK, INSULATING MEANS FOR SUPPORTING THE RELATIVELY LOW-PRESSURE METALLIC EXHAUST TANK UP IN THE AIR ABOVE GROUND POTENTIAL, A PAIR OF MOVABLE CONTACTS COOPERABLE WITH THE AFORESAID RELATIVELY STATIONARY CONTACT STRUCTURES TO ESTABLISH A PAIR OF ARCS, SUPPORTING MEANS INCLUDING SAID HIGH-PRESSURE STORAGE TANK FOR SUPPORTING SAID PAIR OF MOVABLE CONTACTS, AND MEANS CONNECTING THE TWO MOVABLE CONTACTS IN SERIES.
Claim 2
Dependent Claim
113 words
A COMPRESSED-GAS CIRCUIT INTERRUPTER INCLUDING A RELATIVELY LOW-PRESSURE METALLIC EXHAUST TANK DISPOSED AT HIGH POTENTIAL, A PAIR OF TERMINAL BUSHINGS EXTENDING INTO SAID METALLIC EXHAUST TANK AND CARRYING RELATIVELY STATIONARY CONTACT STRUCTURES AT THEIR INTERIOR ENDS, A HIGH-PRESSURE STORAGE TANK DISPOSED AT HIGH POTENTIAL AND POSITIONED INTERIORLY WITHIN SAID RELATIVELY LOW-PRESSURE METALLIC EXHAUST TANK, INSULATING MEANS FOR SUPPORTING THE RELATIVELY LOW-PRESSURE METALLIC EXHAUST TANK UP IN THE AIR ABOVE GROUND POTENTIAL, A PAIR OF MOVABLE CONTACTS COOPERABLE WITH THE AFORESAID RELATIVELY STATIONARY CONTACT STRUCTURES TO ESTABLISH A PAIR OF ARCS, SUPPORTING MEANS INCLUDING SAID HIGH-PRESSURE STORAGE TANK FOR SUPPORTING SAID PAIR OF MOVABLE CONTACTS, AND MEANS CONNECTING THE TWO MOVABLE CONTACTS IN SERIES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |