Patent EP0145277A1 successfully refreshed from Google Patents.
Patent US2607893A successfully refreshed from Google Patents.
US2607893A
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Electric control circuits
Assignee: General Electric Co
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Filing: 1947-08-30
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Granted: 1952-08-19
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Expires: 1967-08-30
Abstract
No abstract record available.
Inventors
- 👤 Cooper Benjamin
- 👤 Charl D Cillie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:58
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143219A
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US2190514A
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US2405069A
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US2374044A
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US2385736A
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US2395849A
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US2392632A
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US2466705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |