US1918974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Down draft carburetor
Assignee: MARVEL CARBURETER CO
•
Filing: 1929-05-31
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Granted: 1933-07-18
•
Expires: 1949-05-31
Abstract
No abstract record available.
Inventors
- 👤 Charles H Kirby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:45
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/08; F02M3/12; F02M17/00; F02M17/14; F02M17/145; F02M19/00; F02M19/02; F02M19/0235; F02M7/00; F02M7/06; F02M7/08; Y; Y10; Y10S; Y10S261/00; Y10S261/52; Y10S261/53
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) | 1936-07-17 | 1937-01-16 | 1937-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-17 | 1941-01-16 | 1941-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-17 | 1945-01-16 | 1945-07-18 | $7700.00 | Window Closed / Lapsed |