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US2645237A
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Governor head vibration dampener
Assignee: PELTON WATER WHEEL Co
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Filing: 1951-07-11
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Granted: 1953-07-14
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Expires: 1971-07-11
Abstract
No abstract record available.
Inventors
- 👤 Byron E Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:44
CPC Classifications
G; G05; G05D; G05D13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US764661A
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US1764991A
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US1935318A
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US2311110A
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US2298720A
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US2332910A
Cited
US2431687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |