US2811313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatically operated valve
Assignee: Dole Valve Co
•
Filing: 1954-08-06
•
Granted: 1957-10-29
•
Expires: 1974-08-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Legeza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:30
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022; Y; Y10; Y10S; Y10S236/00; Y10S236/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1607745A
Cited
US2070751A
Cited
US2102201A
Cited
GB621261A
Cited
US2742051A
Cited
US2710146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |