Patent US2673260A successfully refreshed from Google Patents.
US2673260A
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Switchgear carriage orbital cam racking and interlocking mechanism
Assignee: General Electric Co
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Filing: 1949-12-20
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Granted: 1954-03-23
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Expires: 1969-12-20
Abstract
No abstract record available.
Inventors
- 👤 William N Lester
- 👤 Jr Emil E Hebbel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:48
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/12; H02B11/127; H02B11/133; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US670506A
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US1584623A
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US1566935A
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US1729864A
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US2258150A
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US2324543A
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US2391460A
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US2414555A
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US2450705A
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US2544314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |