Patent US2914079A successfully refreshed from Google Patents.
US2914079A
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Quick acting control valve for water driven centrifugal machines
Assignee: Western States Machine Co
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Filing: 1955-04-06
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Granted: 1959-11-24
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Expires: 1975-04-06
Abstract
No abstract record available.
Inventors
- 👤 Hertrich Elise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:21
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/06; G; G05; G05D; G05D13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/3367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1925301A
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US845058A
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US1918891A
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US2124619A
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US2085893A
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US2304323A
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US2402496A
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US2609832A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |