US2830766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat motor controlled thermal pulse valve
Assignee: Dole Valve Co
•
Filing: 1956-10-22
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Granted: 1958-04-15
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Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Algino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:40
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/24; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1393
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1225887A
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US2146930A
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US2216246A
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US2280667A
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US2489896A
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US2624325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |