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Patent US2859271A successfully refreshed from Google Patents.
US2859271A
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High voltage bushing
Assignee: General Electric Co
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Filing: 1955-04-18
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Granted: 1958-11-04
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Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Donald L Johnston
- 👤 William A Wooldridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:39
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/26; H01B17/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1769261A
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US1788380A
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US2135321A
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US2298748A
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US2322903A
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US2498357A
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US2639247A
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US2721601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |