US2968345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed topping control
Assignee: RTX Corp
•
Filing: 1956-09-21
•
Granted: 1961-01-17
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Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Richard F Gamble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:11
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/46; F02C9/28; F05; F05D; F05D2270/00; F05D2270/01; F05D2270/02; F05D2270/021; F05D2270/09; F05D2270/094; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |