Patent US3273549A successfully refreshed from Google Patents.
US3273549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine carburetor having a fan
Assignee: Individual
•
Filing: 1963-11-18
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Granted: 1966-09-20
•
Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Deland Olivier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:49
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/16; F01; F01M; F01M13/00; F01M13/02; F01M13/021; Y; Y10; Y10S; Y10S261/00; Y10S261/51
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
A CARBURETOR FOR SUPPLYING A MIXTURE OF AIR, VAPORIZED AND LIQUID FUELS TO A COMBUSTION ENGINE COMPRISING: A FAN HAVING A ROTARY IMPELLER FORMED WITH PERIPHERAL BLADES AND A MAIN AIR INLET; MEANS DISCHARGING HOT VAPORIZED FUEL INTO SAID AIR INLET TO WARM THE AIR ENTERING SAID FAN AND LIQUID FUEL INLET MEANS DISCHARGING FUEL CEN-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |