US2648533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal type governor having hydraulically assisted speed setting control
Assignee: Caterpillar Inc
•
Filing: 1950-12-22
•
Granted: 1953-08-11
•
Expires: 1970-12-22
Abstract
No abstract record available.
Inventors
- 👤 Carl R Maxwell
- 👤 Kenneth J Fleck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:09
CPC Classifications
F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0284; F02D2700/0292; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7906; Y10T137/7922; Y10T137/7929; Y10T137/7932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB114836A
Cited
US1753436A
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US1853613A
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US1967893A
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US1960996A
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US2059082A
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US2215406A
Cited
US2397876A
Cited
US2332925A
Cited
US2631837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |