Patent US2702671A successfully refreshed from Google Patents.
US2702671A
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Differential temperature valve with pressure override
Assignee: Detroit Controls Corp
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Filing: 1951-03-13
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Granted: 1955-02-22
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Expires: 1971-03-13
Abstract
No abstract record available.
Inventors
- 👤 Franklyn Y Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:42
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/027; F25B2339/00; F25B2339/04; F25B2339/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1638053A
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US1925281A
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US2057101A
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US2019724A
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US2060589A
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US2356261A
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US2410795A
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US2551758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |