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US2446859A
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Assignee: General Electric Co
•
Filing: 1944-10-14
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Granted: 1948-08-10
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Expires: 1964-10-14
Abstract
No abstract record available.
Inventors
- 👤 Oliver C Traver
- 👤 Ludwig S Walle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:12
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44; H01H9/446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US701577A
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US1022049A
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GB191120409A
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US1603820A
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US1799720A
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US1811451A
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GB368645A
Cited
US2259005A
Cited
US2335068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |