Patent US2918936A successfully refreshed from Google Patents.
US2918936A
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Liquid metering device and control valve therefor
Assignee: Dole Valve Co
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Filing: 1956-10-09
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Granted: 1959-12-29
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Expires: 1976-10-09
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:18
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/20; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87338; Y10T137/87346; Y10T137/87354; Y10T137/87917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |