US3345450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric power transmission system
Assignee: Westinghouse Electric Corp
•
Filing: 1965-07-26
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Granted: 1967-10-03
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Spindle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:17
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/42; H01B11/00; H01B11/18; H01B11/1834; H01B11/1856; H01B11/186; H02; H02G; H02G5/00; H02G5/06; H02G5/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
ELECTRIC POWER TRANSMISSION MEANS FOR VOLTAGES OF THE ORDER OF 345 KV. AND ABOVE COMPRISING A TUBULAR PIPE CONTAINING A GAS HAVING A HIGHER DIELECTRIC STRENGTH THAN AIR AND UNDER A PRESSURE GREATER THAN ATMOSPHERIC, A TUBULAR CONDUCTOR DISPOSED INSIDE THE PIPE, A GENERALLY DISC-SHAPED INSULATOR SURROUNDING THE CONDUCTOR TO SUPPORT IT IN THE PIPE, AND A COATING OF DIELECTRIC MATERIAL COVERING THE JOINT BETWEEN THE INSULATOR AND THE CONDUCTOR.
Claim 2
Dependent Claim
70 words
ELECTRIC POWER TRANSMISSION MEANS FOR VOLTAGES OF THE ORDER OF 345 KV. AND ABOVE COMPRISING A TUBULAR PIPE CONTAINING A GAS HAVING A HIGHER DIELECTRIC STRENGTH THAN AIR AND UNDER A PRESSURE GREATER THAN ATMOSPHERIC, A TUBULAR CONDUCTOR DISPOSED INSIDE THE PIPE, A GENERALLY DISC-SHAPED INSULATOR SURROUNDING THE CONDUCTOR TO SUPPORT IT IN THE PIPE, AND A COATING OF DIELECTRIC MATERIAL COVERING THE JOINT BETWEEN THE INSULATOR AND THE CONDUCTOR.
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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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |