US2114196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric controller
Assignee: General Electric Co
•
Filing: 1937-08-17
•
Granted: 1938-04-12
•
Expires: 1957-08-17
Abstract
No abstract record available.
Inventors
- 👤 John F Tritle
- 👤 Jacob W Mcnairy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:36
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/20; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/72; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20528; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20684; Y10T74/20924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-04-11 | 1941-10-11 | 1942-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-11 | 1945-10-11 | 1946-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-11 | 1949-10-11 | 1950-04-12 | $7700.00 | Window Closed / Lapsed |