US3172348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engines and motor vehicles
Assignee: TONY PIET MOTOR SALES Inc
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Filing: 1963-12-23
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Granted: 1965-03-09
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:21
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292; Y10T137/86324; Y10T137/86332
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN AN INTERNAL COMBUSTION ENGING HAVING AN INTAKE MANIFOLD, A CRANKCASE AND FUEL TANK, THE COMBINATION INCLUDING DUCT MEANS INTERCONNECTING SAID MANIFOLD WITH SAID CRANKCASE AND FUEL TANK FOR DRAWING VAPORS IN SAID TANK INTO SAID MANIFOLD FOR COMBUSTION IN THE ENGINE AND FLOATS IN SAID FUEL TANK PROVIDING SURFACES ON WHICH THE FUEL IN SAID FUEL TANK IS VAPORIZED, THE DUCT MEANS COMPRISING A MAIN TUBE AND A PLURALITY OF BRANCH TUBES, THE INTERNAL CROSS SECTIONAL AREA OF THE MAIN TUBE BEING AT LEAST EQUAL TO THE SUM OF THE INTERNAL CROSS SECTIONAL AREAS OF THE BRANCH TUBES.
Claim 2
Dependent Claim
99 words
IN AN INTERNAL COMBUSTION ENGING HAVING AN INTAKE MANIFOLD, A CRANKCASE AND FUEL TANK, THE COMBINATION INCLUDING DUCT MEANS INTERCONNECTING SAID MANIFOLD WITH SAID CRANKCASE AND FUEL TANK FOR DRAWING VAPORS IN SAID TANK INTO SAID MANIFOLD FOR COMBUSTION IN THE ENGINE AND FLOATS IN SAID FUEL TANK PROVIDING SURFACES ON WHICH THE FUEL IN SAID FUEL TANK IS VAPORIZED, THE DUCT MEANS COMPRISING A MAIN TUBE AND A PLURALITY OF BRANCH TUBES, THE INTERNAL CROSS SECTIONAL AREA OF THE MAIN TUBE BEING AT LEAST EQUAL TO THE SUM OF THE INTERNAL CROSS SECTIONAL AREAS OF THE BRANCH TUBES.
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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |