US2633697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic fluid coupling mechanism
Assignee: Individual
•
Filing: 1949-02-23
•
Granted: 1953-04-07
•
Expires: 1969-02-23
Abstract
No abstract record available.
Inventors
- 👤 Johnson Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:31
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/02; F16D33/04; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/042; F16D43/00; F16D43/02; F16D43/25; G; G05; G05G; G05G15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190018344A
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US818828A
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US1199359A
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US1265271A
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US1701403A
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US1820035A
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US2047028A
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US1921042A
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US2275204A
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US2376939A
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US2406486A
Cited
US2512360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |