Patent US3301938A successfully refreshed from Google Patents.
US3301938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light weight flexible high voltage bushing
Assignee: General Electric Co
•
Filing: 1965-09-29
•
Granted: 1967-01-31
•
Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Howard A Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:53
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/36; H01B17/26; H01B17/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN ELECTRICAL BUSHING COMPRISING, IN COMBINATION, A PAIR OF OUTER SHELLS OF FLEXIBLE INSULATING SHEET MATERIAL ATTACHED AT ONE OF THEIR ENDS TO AND EXTENDING IN OPPOSITE DIRECTIONS FROM A CIRCULAR CONDUCTIVE GROUND RING AND ATTACHED AT THEIR OPPOSITE ENDS TO THE ENDS OF A CYLINDRICAL CONDUCTOR EXTENDING THROUGH THE CENTER OF SAID RING PERPENDICULAR TO THE PLANE OF THE LATTER, SAID SHELLS NORMALLY BEING INFLATED AND DISTENDED BY AN INSULATING GAS UNDER PRESSURE FILLING THE SPACE IN SAID BUSHING BETWEEN SAID CYLINDRICAL CONDUCTOR ON THE ONE HAND AND SAID SHELLS AND GROUND RING ON THE OTHER HAND SO AS FLEXIBLY TO MAINTAIN THE RELATIVE ORIENTATION OF THE CONDUCTIVE PARTS AND CONSTITUTING THE ENTIRE OUTER INSULATING SURFACE OF SAID BUSHING.
Claim 2
Dependent Claim
120 words
AN ELECTRICAL BUSHING COMPRISING, IN COMBINATION, A PAIR OF OUTER SHELLS OF FLEXIBLE INSULATING SHEET MATERIAL ATTACHED AT ONE OF THEIR ENDS TO AND EXTENDING IN OPPOSITE DIRECTIONS FROM A CIRCULAR CONDUCTIVE GROUND RING AND ATTACHED AT THEIR OPPOSITE ENDS TO THE ENDS OF A CYLINDRICAL CONDUCTOR EXTENDING THROUGH THE CENTER OF SAID RING PERPENDICULAR TO THE PLANE OF THE LATTER, SAID SHELLS NORMALLY BEING INFLATED AND DISTENDED BY AN INSULATING GAS UNDER PRESSURE FILLING THE SPACE IN SAID BUSHING BETWEEN SAID CYLINDRICAL CONDUCTOR ON THE ONE HAND AND SAID SHELLS AND GROUND RING ON THE OTHER HAND SO AS FLEXIBLY TO MAINTAIN THE RELATIVE ORIENTATION OF THE CONDUCTIVE PARTS AND CONSTITUTING THE ENTIRE OUTER INSULATING SURFACE OF SAID BUSHING.
References Cited (Backward Citations)
GB880275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |