Patent US2669632A successfully refreshed from Google Patents.
US2669632A
Expired / Lapsed
US
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Bus duct switch
Assignee: General Electric Co
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Filing: 1949-04-16
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Granted: 1954-02-16
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Expires: 1969-04-16
Abstract
No abstract record available.
Inventors
- 👤 Herman J Hammerly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
H; H01; H01R; H01R25/00; H01R25/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1885513A
Cited
US1879198A
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US2076558A
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US2073535A
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US2128995A
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US2279383A
Cited
US2361721A
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US2399408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |