US2639230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel and air mixer for use in conjunction with a carburetor
Assignee: Individual
•
Filing: 1950-08-25
•
Granted: 1953-05-19
•
Expires: 1970-08-25
Abstract
No abstract record available.
Inventors
- 👤 Lefebre Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:51
CPC Classifications
F; F02; F02M; F02M29/00; F02M29/04; F02M1/00; F02M25/00; F02M25/022; F02M25/025; F02M25/028; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4373; F02M2700/4376; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A FUEL AND AIR MIXER ADAPTED FOR USE IN CONJUCTON WITH THE CARBURTOR OF AN INTERNAL COMBUSTION ENGINE COMPRISING A CENTRALLY APERTURED BLOCK HAVING INLET AND OUTLET OPENINGS, SAID BLOCK HAVING FORMED ALONG ITS INTERIOR SURFACE PLURALITY OF ANNULAR LONGITUDINALLY SPACED UPWARDLY INCLINED FLANGES EXTENDING TOWARD SAID INLET OPENING, A CENTRAL CONE SHAPED BAFFLE WITHIN SAID BLOCK POSITIONED CENTRALLY OF ITS OUTLET OPENING AND SECURED THERETO AND HAVING A PLU-
Claim 2
Dependent Claim
70 words
A FUEL AND AIR MIXER ADAPTED FOR USE IN CONJUCTON WITH THE CARBURTOR OF AN INTERNAL COMBUSTION ENGINE COMPRISING A CENTRALLY APERTURED BLOCK HAVING INLET AND OUTLET OPENINGS, SAID BLOCK HAVING FORMED ALONG ITS INTERIOR SURFACE PLURALITY OF ANNULAR LONGITUDINALLY SPACED UPWARDLY INCLINED FLANGES EXTENDING TOWARD SAID INLET OPENING, A CENTRAL CONE SHAPED BAFFLE WITHIN SAID BLOCK POSITIONED CENTRALLY OF ITS OUTLET OPENING AND SECURED THERETO AND HAVING A PLU-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |