Patent US2914635A successfully refreshed from Google Patents.
US2914635A
Expired / Lapsed
US
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Electric switchgear
Assignee: General Electric Co
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Filing: 1958-08-11
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Granted: 1959-11-24
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Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 William N Lester
- 👤 Laurence D Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:32
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/26; H01; H01H; H01H3/00; H01H3/22; H01H3/30; H01H3/3042; H01H9/00; H01H9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1224880A
Cited
US2117130A
Cited
US2427181A
Cited
US2720565A
Cited
US2781427A
Cited
US2769874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |