Patent US3250263A successfully refreshed from Google Patents.
US3250263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reducing air pollution by combustion engines
Assignee: Individual
•
Filing: 1964-05-18
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Granted: 1966-05-10
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Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Fred W Gerjets
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:53
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/04; Y; Y10; Y10S; Y10S55/00; Y10S55/19; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
MEANS FOR REMOVING LIQUIDS FROM CRANKCASE GASES, SAID MEANS COMPRISING: A HEAT EXCHANGER HOUSING HAVING AN INLET AND AN OUTLET; A PLURALITY OF SPACED UPSTANDING BAFFLES AND A PLURALITY OF SPACED DEPENDING BAFFLES POSITIONED IN SAID HOUSING FOR CAUSING GASES MOVING FROM SAID INLET TO SAID OUTLET TO TAKE A SERPENTINE PATH; A PLURALITY OF DRAIN PORTS IN THE BOTTOM OF SAID HOUSING; A DRAIN CONDUIT LOCATED BELOW SAID HOUSING; COMMUNICATION MEANS SEPARATELY COMMUNICATING EACH OF SAID PORTS WITH SAID CONDUIT; A DISCHARGE EXIT AT ONE END OF SAID CONDUIT, SAID DISCHARGE EXIT BEING ABOVE THE LEVEL OF THE CONDUIT WHEREBY CONDENSATE FROM SAID GASES WILL COLLECT IN SAID CONDUIT SUFFICIENTLY TO PREVENT GASES FROM MOVING BETWEEN SAID PORTS THROUGH SAID CONDUIT AND THEREBY BY-PASS SAID BAFFLES.
Claim 2
Dependent Claim
127 words
MEANS FOR REMOVING LIQUIDS FROM CRANKCASE GASES, SAID MEANS COMPRISING: A HEAT EXCHANGER HOUSING HAVING AN INLET AND AN OUTLET; A PLURALITY OF SPACED UPSTANDING BAFFLES AND A PLURALITY OF SPACED DEPENDING BAFFLES POSITIONED IN SAID HOUSING FOR CAUSING GASES MOVING FROM SAID INLET TO SAID OUTLET TO TAKE A SERPENTINE PATH; A PLURALITY OF DRAIN PORTS IN THE BOTTOM OF SAID HOUSING; A DRAIN CONDUIT LOCATED BELOW SAID HOUSING; COMMUNICATION MEANS SEPARATELY COMMUNICATING EACH OF SAID PORTS WITH SAID CONDUIT; A DISCHARGE EXIT AT ONE END OF SAID CONDUIT, SAID DISCHARGE EXIT BEING ABOVE THE LEVEL OF THE CONDUIT WHEREBY CONDENSATE FROM SAID GASES WILL COLLECT IN SAID CONDUIT SUFFICIENTLY TO PREVENT GASES FROM MOVING BETWEEN SAID PORTS THROUGH SAID CONDUIT AND THEREBY BY-PASS SAID BAFFLES.
References Cited (Backward Citations)
US17675A
Cited
US1427337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |