US2432399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control device
Assignee: General Electric Co
•
Filing: 1935-04-24
•
Granted: 1947-12-09
•
Expires: 1955-04-24
Abstract
No abstract record available.
Inventors
- 👤 Martin A Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:08
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1390543A
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US1824577A
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GB376861A
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US1836886A
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US1844704A
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GB391474A
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US1921703A
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US1885155A
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US1940335A
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US2044066A
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US1965439A
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US1986112A
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US2082607A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |