US3329137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smog control apparatus for internal combustion engines
Assignee: Individual
•
Filing: 1965-06-01
•
Granted: 1967-07-04
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Ferrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:49
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/04; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SMOG CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE COMPRISING IN COMBINATION: (A) A VALVE CHAMBER, (B) A CRANKCASE CHAMBER, (D) AN OIL FILLER PIPE CONNECTED TO SAID CHAMBERS, (D) AN INTAKE MANIFOLD, (E) A CARBURETOR, (F) A VACUUM FILTER RECEPTACLE, (G) A MIXING CHAMBER LOCATED BETWEEN AND CONNECTING SAID CARBURETOR TO SAID MANIFLOD, (H) A LINE INTERCONNECTING SAID VACUUM FILTER RECEPTACIE TO SAID MIXING CHAMBER. (I) A LINE INTERCONNECTING SAID VACUUM FILTER RECEPTACLE TO SAID VALVE CHAMBER, (J) AND MAENS IN SAID MIXING CHAMBER TO RESTRICT THE FUEL GASES FROM SAID CARBURETOR WITHIN SAID MIXING CHAMBER AND REMIX CLEAN AIR WITH FUMES SIPHONED FROM WITHIN SAID VALVE CHAMBER, (K) AND A FURTHER DISCHARGE LINE FROM SAID VACUUM FILTER RECEPTACLE CONNECTED TO SAID CRANKCASE CHAMBER AND SAID INTAKE MANIFOLD.
Claim 2
Dependent Claim
129 words
A SMOG CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE COMPRISING IN COMBINATION: (A) A VALVE CHAMBER, (B) A CRANKCASE CHAMBER, (D) AN OIL FILLER PIPE CONNECTED TO SAID CHAMBERS, (D) AN INTAKE MANIFOLD, (E) A CARBURETOR, (F) A VACUUM FILTER RECEPTACLE, (G) A MIXING CHAMBER LOCATED BETWEEN AND CONNECTING SAID CARBURETOR TO SAID MANIFLOD, (H) A LINE INTERCONNECTING SAID VACUUM FILTER RECEPTACIE TO SAID MIXING CHAMBER. (I) A LINE INTERCONNECTING SAID VACUUM FILTER RECEPTACLE TO SAID VALVE CHAMBER, (J) AND MAENS IN SAID MIXING CHAMBER TO RESTRICT THE FUEL GASES FROM SAID CARBURETOR WITHIN SAID MIXING CHAMBER AND REMIX CLEAN AIR WITH FUMES SIPHONED FROM WITHIN SAID VALVE CHAMBER, (K) AND A FURTHER DISCHARGE LINE FROM SAID VACUUM FILTER RECEPTACLE CONNECTED TO SAID CRANKCASE CHAMBER AND SAID INTAKE MANIFOLD.
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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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |