US3318995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cast electrical bushing construction having controlled and shielded shrinkage voids
Assignee: Westinghouse Electric Corp
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Filing: 1966-04-25
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Granted: 1967-05-09
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Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Richard D Buckley
- 👤 Anthony J Palumbo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:57
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/26; H01B17/28; Y; Y10; Y10S; Y10S174/00; Y10S174/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN ELECTRICAL BUSHING ASSEMBLY COMPRISING A SUBSTANTIALLY CYLINDRICAL BODY MEMBER HAVING FIRST AND SECOND ENDS, SAID BODY MEMBER BEING FORMED OF A CASTABLE ELECTRICAL INSULATING MATERIAL, AN AXIALLY EXTENDING ELECTRICAL CONDUCTOR DISPOSED IN SAID BODY MEMBER, A TUBULAR METALLIC MEMBER HAVING AN INNER AXIALLY CONTINUOUS SURFACE AND END PORTIONS, AT LEAST THE END PORTIONS OF SAID TUBULAR METALLIC MEMBER BEING DISPOSED AT LEAST PARTIALLY WITHIN SAID BODY MEMBER AND BEING AT LEAST PARTIALLY BONDED THERETO, THE INNER SURFACE OF SAID TUBULAR METALLIC MEMBER BEING DISPOSED IN SPACED COAXIAL RELATION WITH SAID AXIALLY EXTENDING ELECTRICAL CONDUCTOR,
Claim 2
Dependent Claim
95 words
AN ELECTRICAL BUSHING ASSEMBLY COMPRISING A SUBSTANTIALLY CYLINDRICAL BODY MEMBER HAVING FIRST AND SECOND ENDS, SAID BODY MEMBER BEING FORMED OF A CASTABLE ELECTRICAL INSULATING MATERIAL, AN AXIALLY EXTENDING ELECTRICAL CONDUCTOR DISPOSED IN SAID BODY MEMBER, A TUBULAR METALLIC MEMBER HAVING AN INNER AXIALLY CONTINUOUS SURFACE AND END PORTIONS, AT LEAST THE END PORTIONS OF SAID TUBULAR METALLIC MEMBER BEING DISPOSED AT LEAST PARTIALLY WITHIN SAID BODY MEMBER AND BEING AT LEAST PARTIALLY BONDED THERETO, THE INNER SURFACE OF SAID TUBULAR METALLIC MEMBER BEING DISPOSED IN SPACED COAXIAL RELATION WITH SAID AXIALLY EXTENDING ELECTRICAL CONDUCTOR,
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |