US2462913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control
Assignee: Individual
•
Filing: 1943-08-18
•
Granted: 1949-03-01
•
Expires: 1963-08-18
Abstract
No abstract record available.
Inventors
- 👤 Edward M Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:05
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1614147A
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US1722152A
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US1849518A
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US2093197A
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US2082607A
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US2222947A
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US2154354A
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US2228843A
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US2229449A
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US2273191A
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US2175009A
Cited
US2337589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |