US2763538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas carburetor
Assignee: Individual
•
Filing: 1951-05-22
•
Granted: 1956-09-18
•
Expires: 1971-05-22
Abstract
No abstract record available.
Inventors
- 👤 Frank E Pilling
- 👤 Baverstock Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:25
CPC Classifications
F; F02; F02M; F02M21/00; F02B; F02B43/00; F02M2700/00; F02M2700/12; F02M2700/126
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
A LIQUIFIED GAS CARBURETOR COMPRISING A CYLINDRICAL THROAT SECTION ADAPTED TO BE ATTACHED TO THE INTAKE MANIFOLD OF AN INTERNAL COMBUSTION ENGINE AND DEFINING THE FLOW PATH OF SAID AIR ENTERING SAID INTAKE MANIFOLD, A BUTTERFLY VALVE ASSOCIATED WITH SAID THROAT SECTION SO AS TO RESTRICT THE PASSAGE OF AIR THERETHROUGH, A SUBSTANTIALLY CYLINDRICAL EXTENSION OF SAID THROAT SECTION EXTENDING DOWNSTREAM THEREFROM AND HAVING A CROSS-SECTION AREA LESS THAN SAID THROAT SECTION, A CONDUIT FOR SUPPLYING A FUEL GAS TO SAID REDUCED DIAMETER SECTION, A VALVE IN SAID CONDUIT FOR CONTROLLING THE FLOW OF FUEL GAS IN SAID CONDUIT, MECHANICAL LINKAGE MEANS FOR CONTROLLING THE MOTION OF
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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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |