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US2674412A
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US
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Thermostatic valve
Assignee: STANDARD THOMASON CORP
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Filing: 1951-09-14
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Granted: 1954-04-06
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Expires: 1971-09-14
Abstract
No abstract record available.
Inventors
- 👤 Paul F Early
- 👤 William R Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:07
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1001130A
Cited
FR629238A
Cited
US2052313A
Cited
US2142442A
Cited
US2255159A
Cited
US2439582A
Cited
US2576877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |