US2497322A
Expired / Lapsed
US
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Mechanism for connecting engine governors and by-pass valves
Assignee: RATHBUN JONES ENGINEERING COMP
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Filing: 1944-11-20
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Granted: 1950-02-14
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Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 Rathbun Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:27
CPC Classifications
F; F02; F02D; F02D19/00; F02D19/06; F02D19/08; F02D19/10; F02D19/0602; F02D19/0607; F02D19/0663; F02D19/0673; F02D19/0678; F02M; F02M21/00; F02M21/02; F02M21/04; F02M21/047; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1828; Y10T74/21; Y10T74/2101; Y10T74/2102
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) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |