Patent US2460727A successfully refreshed from Google Patents.
US2460727A
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US
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Arc extinguishing device
Assignee: General Electric Co
•
Filing: 1945-10-08
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Granted: 1949-02-01
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Expires: 1965-10-08
Abstract
No abstract record available.
Inventors
- 👤 Winfield A Atwood
- 👤 Eugene W Boehne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:49
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1519230A
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US1606808A
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US1614176A
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US1614173A
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US1722165A
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US1836994A
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US1957480A
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US2100743A
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US1934518A
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US2311690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |