US2911289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diesel exhaust gas filter
Assignee: GETMAN BROTHERS Manufacturing DIVISION I
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Filing: 1956-11-19
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Granted: 1959-11-03
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Leonard E Forry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:35
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F01N3/04; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A DEVICE FOR PURIFYING THE EXHAUST GASES OF A DIESEL ENGINE COMPRISING: A CLOSED CASING HAVING A QUANTITY OF WATER IN THE LOWER PORTION THEREOF AND A FIRST BED OF BROKEN LIME ROCK SUBMERGED IN SAID QUANTITY OF WATER; AN ELONGATED INLET PIPE EXTENDINGTRANSVERSELY OF SAID CASING IN THE LOWER PORTION THEREOF AND SUBSMERGED IN SAID QUANTITY OF WATER AND RECEIVED WITHIN SAID FIRST BED AND HAVING AXIALLY SPACED APERTURES THERETHROUGH THROUGH WHICH EXHAUST GASES MAY PASS; A PLANAR, IMPERFORATE PLATE FIXED TO SAID CASING ABOVE SAID QUANTITY OF WATER, SAID PLATE EXTENDING PART WAY ACROSS SAID CASING SO AS TO DEFINE A PASSAGE BETWEEN THE FREE EDGE THEREOF AND THE OPPOSING WALL OF SAID CASING FOR GASES EXITING FROM SAID QUANTITY OF WATER, SAID PLATE BEING SLOPED DOWNWARDLY WITH SAID FREE EDGE THEREOF BEING LOWERMOST DOT THAT WATER VAPOR COLLECTING THEREON WILL DRAIN DOWNWARDLY INTO SAID QUANTITY OF WATER, A PAIR OF TRANSVERSELY SPACED PERFORATE
Claim 2
Independent Claim
156 words
A DEVICE FOR PURIFYING THE EXHAUST GASES OF A DIESEL ENGINE COMPRISING: A CLOSED CASING HAVING A QUANTITY OF WATER IN THE LOWER PORTION THEREOF AND A FIRST BED OF BROKEN LIME ROCK SUBMERGED IN SAID QUANTITY OF WATER; AN ELONGATED INLET PIPE EXTENDINGTRANSVERSELY OF SAID CASING IN THE LOWER PORTION THEREOF AND SUBSMERGED IN SAID QUANTITY OF WATER AND RECEIVED WITHIN SAID FIRST BED AND HAVING AXIALLY SPACED APERTURES THERETHROUGH THROUGH WHICH EXHAUST GASES MAY PASS; A PLANAR, IMPERFORATE PLATE FIXED TO SAID CASING ABOVE SAID QUANTITY OF WATER, SAID PLATE EXTENDING PART WAY ACROSS SAID CASING SO AS TO DEFINE A PASSAGE BETWEEN THE FREE EDGE THEREOF AND THE OPPOSING WALL OF SAID CASING FOR GASES EXITING FROM SAID QUANTITY OF WATER, SAID PLATE BEING SLOPED DOWNWARDLY WITH SAID FREE EDGE THEREOF BEING LOWERMOST DOT THAT WATER VAPOR COLLECTING THEREON WILL DRAIN DOWNWARDLY INTO SAID QUANTITY OF WATER, A PAIR OF TRANSVERSELY SPACED PERFORATE
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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |