Patent US2398713A successfully refreshed from Google Patents.
US2398713A
Expired / Lapsed
US
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Governor control
Assignee: RTX Corp
•
Filing: 1942-12-17
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Granted: 1946-04-16
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Expires: 1962-12-17
Abstract
No abstract record available.
Inventors
- 👤 Martin Erle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:04
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/38; B64C11/42; Y; Y10; Y10S; Y10S60/00; Y10S60/904; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1171; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2605; Y10T137/2642; Y10T137/2645
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) | 1949-04-15 | 1949-10-15 | 1950-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-15 | 1953-10-15 | 1954-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-15 | 1957-10-15 | 1958-04-16 | $7700.00 | Window Closed / Lapsed |