Patent US2990841A successfully refreshed from Google Patents.
US2990841A
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US
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Automatic moisture expulsion valve
Assignee: Ford Motor Co
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Filing: 1956-11-19
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Granted: 1961-07-04
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Haddad Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:39
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/12; F16T1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/3024; Y10T137/8593; Y10T137/87917; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2548236A
Cited
US1907299A
Cited
US2418440A
Cited
US2619106A
Cited
US2845081A
Cited
US2825425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |