US2452365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: General Electric Co
•
Filing: 1944-03-01
•
Granted: 1948-10-26
•
Expires: 1964-03-01
Abstract
No abstract record available.
Inventors
- 👤 Oscar C Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:33
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2324525A
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US1795753A
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US1900249A
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US1878458A
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US2058829A
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US2184282A
Cited
US2293047A
Cited
US2268737A
Cited
US2359273A
Cited
US2321189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |