US2656113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic valve
Assignee: Dole Valve Co
•
Filing: 1950-08-24
•
Granted: 1953-10-20
•
Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Harold B Drapeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:34
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)
US1528786A
Cited
US1991392A
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US2157770A
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US2265586A
Cited
US2255543A
Cited
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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |