Patent US1885331A successfully refreshed from Google Patents.
US1885331A
Expired / Lapsed
US
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Automatic choke
Assignee: Individual
•
Filing: 1929-11-05
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Granted: 1932-11-01
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Expires: 1949-11-05
Abstract
No abstract record available.
Inventors
- 👤 Collins Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:17
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/14; F02M26/00; F02M26/13; F02M26/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-11-01 | 1936-05-02 | 1936-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-01 | 1940-05-02 | 1940-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-01 | 1944-05-02 | 1944-11-01 | $7700.00 | Window Closed / Lapsed |