Patent US2905832A successfully refreshed from Google Patents.
US2871973A
Expired / Lapsed
US
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Apparatus for washing gases
Assignee: Belge Prat Daniel SA Soc
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Filing: 1956-02-23
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Granted: 1959-02-03
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Expires: 1976-02-23
Abstract
No abstract record available.
Inventors
- 👤 Roujob Leopold Antoi Guillaume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:06
CPC Classifications
B; B04; B04C; B04C9/00; B01; B01D; B01D47/00; B01D47/10; Y; Y10; Y10S; Y10S261/00; Y10S261/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
GAS WASHING APPARATUS WHICH COMPRISES A VERTICAL DUCT HAVING AN UPPER PORTION THAT DIVERGES UPWARDLY AND A LOWER PORTION OF UNIFORM CROSS-SECTION, SAID LOWER PORGAL SEPARATOR CONNECTED TO THE UPPER END OF SAID DIVERGING PORTION TO SEPARATE SUSPENDED PARTICLES OF LIQUID FROM GAS, A CHAMBER POSITIONED AT THE UPPER PART OF SAID DUCT TO RECEIVE PARTICLES SEPARATED FROM SAID CENTRIFUGAL SEPARATOR, AND A CIRCULATING WATER CIRCUIT, COMPRISING A COLLECTING VESSEL BELOW SAID CHAMBER AND ABOVE THE LOWER END OF SAID VERTICAL DUCT, SAID COLLECTING VESSEL HAVING MEANS TO SEPARATE SOLIDS FROM WATER, A CONDUIT FOR SAID WATER CHAMBER TO SAID VESSEL, AND A CONDUIT FOR SAID WATER FROM SAID VESSEL TO SAID LOWER PORTION OF SAID DUCT TO LISTRIBUTE SAID WATER ABOUT THE INNER SURFACE OF SAID
Claim 2
Dependent Claim
127 words
GAS WASHING APPARATUS WHICH COMPRISES A VERTICAL DUCT HAVING AN UPPER PORTION THAT DIVERGES UPWARDLY AND A LOWER PORTION OF UNIFORM CROSS-SECTION, SAID LOWER PORGAL SEPARATOR CONNECTED TO THE UPPER END OF SAID DIVERGING PORTION TO SEPARATE SUSPENDED PARTICLES OF LIQUID FROM GAS, A CHAMBER POSITIONED AT THE UPPER PART OF SAID DUCT TO RECEIVE PARTICLES SEPARATED FROM SAID CENTRIFUGAL SEPARATOR, AND A CIRCULATING WATER CIRCUIT, COMPRISING A COLLECTING VESSEL BELOW SAID CHAMBER AND ABOVE THE LOWER END OF SAID VERTICAL DUCT, SAID COLLECTING VESSEL HAVING MEANS TO SEPARATE SOLIDS FROM WATER, A CONDUIT FOR SAID WATER CHAMBER TO SAID VESSEL, AND A CONDUIT FOR SAID WATER FROM SAID VESSEL TO SAID LOWER PORTION OF SAID DUCT TO LISTRIBUTE SAID WATER ABOUT THE INNER SURFACE OF SAID
References Cited (Backward Citations)
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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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |