Patent US2872167A successfully refreshed from Google Patents.
US2872167A
Expired / Lapsed
US
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Ether volatilizer
Assignee: Individual
•
Filing: 1956-09-24
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Granted: 1959-02-03
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Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Edmond O Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:18
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/14; A61M16/18; B; B01; B01D; B01D1/00; Y; Y10; Y10S; Y10S261/00; Y10S261/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A VIOLATILIZER, A HOUSING HAVING A SIDE WALL SURROUNDING A VIOLATILIZING A CHAMBER AND HAVIN G A LOWER END WALL AND BEING AT ITS UPPER END, A DEMOUNTABLE COVER CLOSING SAID UPPER END, VALVED MEANS FOR CONDUCTING LIQUID INTO SAID CHAMBER THROUGH SAID COVER, A DISTRIB UTORSDISK IN THE UPPER PORTION OF SAID CHAMBER SUSPENDED FROM SAID COVER AND HAVING A MARGINE SPACED FROM BUT PROXIMATE TO THE HOUSING WALLS, AN OPEN ENDED TUBE CARRIED BY AND LEADING DOWNWARDLY THROUGH SAID DISK INTO SAID CHAMBER, MEANS FOR CONDUCTING AIR UNDER PRESSURE INTO THE LOWER PORTION OF SAID TUBE TO CAUSE THE FLOW OF LIQUID FROM SAID CHAMBER UPWARDLY THROUGH SAID TUBE INTO THE SPACE BETWEEN SAID DISK AND COVER, A SERIES OF SUCCESSIVELY INWARDLY OFFSET THROUGH PROGESSING DOWNWARDLY ALONG THE HOUSING WALL, AND MEANS FOR CONDUCTING VAPOR FROM THE UPPER END PORTION OF SAID VOLATILIZING CHAMBER FROM IMMEDIATELY BENEATH AND THROUGH SAID DISTRIBUTORS DISK AND THROUGH SAID COVER.
Claim 2
Dependent Claim
159 words
IN A VIOLATILIZER, A HOUSING HAVING A SIDE WALL SURROUNDING A VIOLATILIZING A CHAMBER AND HAVIN G A LOWER END WALL AND BEING AT ITS UPPER END, A DEMOUNTABLE COVER CLOSING SAID UPPER END, VALVED MEANS FOR CONDUCTING LIQUID INTO SAID CHAMBER THROUGH SAID COVER, A DISTRIB UTORSDISK IN THE UPPER PORTION OF SAID CHAMBER SUSPENDED FROM SAID COVER AND HAVING A MARGINE SPACED FROM BUT PROXIMATE TO THE HOUSING WALLS, AN OPEN ENDED TUBE CARRIED BY AND LEADING DOWNWARDLY THROUGH SAID DISK INTO SAID CHAMBER, MEANS FOR CONDUCTING AIR UNDER PRESSURE INTO THE LOWER PORTION OF SAID TUBE TO CAUSE THE FLOW OF LIQUID FROM SAID CHAMBER UPWARDLY THROUGH SAID TUBE INTO THE SPACE BETWEEN SAID DISK AND COVER, A SERIES OF SUCCESSIVELY INWARDLY OFFSET THROUGH PROGESSING DOWNWARDLY ALONG THE HOUSING WALL, AND MEANS FOR CONDUCTING VAPOR FROM THE UPPER END PORTION OF SAID VOLATILIZING CHAMBER FROM IMMEDIATELY BENEATH AND THROUGH SAID DISTRIBUTORS DISK AND THROUGH SAID COVER.
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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 |