US2608352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatically controlled valve
Assignee: UTILITY CONTROL Co
•
Filing: 1948-08-14
•
Granted: 1952-08-26
•
Expires: 1968-08-14
Abstract
No abstract record available.
Inventors
- 👤 Schuster Erich
- 👤 Raymond D Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:16
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/56; F16K31/566; G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/026; G05D23/027; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2166239A
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US1744465A
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US1926000A
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US1977656A
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US1994470A
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US2137617A
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US2253552A
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US2216510A
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US2236908A
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US2327582A
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US2427756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |