US1815631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor choke control
Assignee: OLSON
•
Filing: 1930-03-31
•
Granted: 1931-07-21
•
Expires: 1950-03-31
Abstract
No abstract record available.
Inventors
- 👤 Ole N Olson
- 👤 Johnk Leonard Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:41
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/02; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/301; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20299; Y10T74/20396; Y10T74/20468; Y10T74/20576; Y10T74/20636; Y10T74/2066
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) | 1934-07-20 | 1935-01-19 | 1935-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-20 | 1939-01-19 | 1939-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-20 | 1943-01-19 | 1943-07-21 | $7700.00 | Window Closed / Lapsed |