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US2710146A
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US
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Thermostatic valve
Assignee: Dole Valve Co
•
Filing: 1953-10-14
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Granted: 1955-06-07
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Expires: 1973-10-14
Abstract
No abstract record available.
Inventors
- 👤 Harold B Drapeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:48
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022; Y; Y10; Y10S; Y10S236/00; Y10S236/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2356958A
Cited
US2569359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |