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US2197236A
Expired / Lapsed
US
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Fuel feeding means for internal combustion engines and the like
Assignee: Individual
•
Filing: 1938-03-30
•
Granted: 1940-04-16
•
Expires: 1958-03-30
Abstract
No abstract record available.
Inventors
- 👤 Cecil L Bowen
- 👤 John A Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:00
CPC Classifications
F; F02; F02M; F02M21/00; F02M21/08; F02M21/10; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30
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) | 1943-04-16 | 1943-10-16 | 1944-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-16 | 1947-10-16 | 1948-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-16 | 1951-10-16 | 1952-04-16 | $7700.00 | Window Closed / Lapsed |