Patent US1593601A successfully refreshed from Google Patents.
US1593601A
Expired / Lapsed
US
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Fluid-controlling mechanism
Assignee: Doherty Research Co
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Filing: 1921-03-07
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Granted: 1926-07-27
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Expires: 1941-03-07
Abstract
No abstract record available.
Inventors
- 👤 Earl S Rush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:29
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7791; Y10T137/7793; Y10T137/7805; Y10T137/8593; Y10T137/87265; Y10T137/8733; Y10T137/877; Y10T137/87829; Y10T137/87917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-07-26 | 1930-01-25 | 1930-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-26 | 1934-01-25 | 1934-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-26 | 1938-01-25 | 1938-07-27 | $7700.00 | Window Closed / Lapsed |