US2765058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle valve control device
Assignee: STRUTHERS Manufacturing Co
•
Filing: 1952-11-13
•
Granted: 1956-10-02
•
Expires: 1972-11-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Struthers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:01
CPC Classifications
B; B60; B60K; B60K26/00; B60K26/02; F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2533836A
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US2658591A
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US2638016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |