US3263412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for eliminating smog
Assignee: Individual
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Filing: 1962-12-28
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Granted: 1966-08-02
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Carl J Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:03
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/26; F01N3/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
A DEVICE FOR ELIMINATING SMOG FROM AN ENGINE OF THE TYPE HAVING AN EXHAUST MANIFOLD AND A MUFFLER AND A CONNECTING PIPE BETWEEN SAID MANIFOLD AND SAID MUFFLER AND WITH SAID ENGINE HAVING A CRANKCASE WHICH EMITS VAPORS, COMPRISING A HOUSING MOUNTED INTERMEDIATE SAID EXHAUST MANIFOLD AND SAID CONNECTING PIPE IN A STRAIGHTLINE GAS-FLOW COMMUNICATION WITH SAID EXHAUST MANIFOLD FOR RECEIVING EXHAUST GASES FROM SAID EXHAUST MANIFOLD AND WITH SAID HOUSING HAVING A PASSAGEWAY OF A CROSSSECTIONAL AREA AS LARGE AS THAT OF SAID MANIFOLD FOR UNRESTRICTED FLOW OF EXHAUST GASES INTO SAID HOUSING, A PUMP AND COMPLETELY ENCLOSED CONDUIT MEANS CONNECTED BETWEEN SAID PUMP AND BOTH SAID CRANKCASE AND SAID HOUSING FOR PUMPING ALL THE EMITTED VAPORS INTO SAID HOUSING FOR MIXING WITH THE EXHAUST GASES FROM SAID EXHAUST MANIFOLD AND BURNING THE MIXTURE OF SAID GASES AND SAID VAPORS IN SAID HOUSING.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |