US2675217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic manifold pressure operated mixture control valve
Assignee: CLINTON B D BROWN
•
Filing: 1946-02-15
•
Granted: 1954-04-13
•
Expires: 1966-02-15
Abstract
No abstract record available.
Inventors
- 👤 Frank K Slason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:28
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0261; F02D2700/0264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1748305A
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US1814118A
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US1774218A
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US1796154A
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US1948135A
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US1947854A
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US2029142A
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US2208864A
Cited
US2239553A
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US2229851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |