Patent US2816507A successfully refreshed from Google Patents.
US2816507A
Expired / Lapsed
US
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Variable stroke fluid drive mechanism
Assignee: Individual
•
Filing: 1955-05-17
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Granted: 1957-12-17
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Expires: 1975-05-17
Abstract
No abstract record available.
Inventors
- 👤 Gore William M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:34
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR463894A
Cited
US1172412A
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US1259090A
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US1813078A
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DE661717C
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US2259587A
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US2338021A
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US2370710A
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US2514674A
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US2548738A
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US2646751A
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US2690712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |