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Patent US2815916A successfully refreshed from Google Patents.
US2815916A
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Thermostatically operable valve structures
Assignee: Motors Liquidation Co
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Filing: 1952-11-07
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Granted: 1957-12-10
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Expires: 1972-11-07
Abstract
No abstract record available.
Inventors
- 👤 John R Holmes
- 👤 Harold A Reynolds
- 👤 Schwarz Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:04
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1607745A
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US1964414A
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US2052313A
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US2073386A
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US2368181A
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US2534497A
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US2569359A
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US2656113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |