US2740491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fumes-purifying apparatus
Assignee: Individual
•
Filing: 1952-05-24
•
Granted: 1956-04-03
•
Expires: 1972-05-24
Abstract
No abstract record available.
Inventors
- 👤 Vecchio Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:20
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/08; Y; Y10; Y10S; Y10S261/00; Y10S261/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
APPARATUS OF THE CHARACTER DESCRIBED, COMPRISING A TANK FOR WASHING SOLUTION, CONDUIT MEANS TO CONDUCT AIR-BORNE FUMES INTO THE SOLUTION, AGITATING MEANS IN SAID TANK AND DRIVEN BY THE AIR-BORNE FUMES TO AGITATE THE SOLUTION WHILE THE FUMES ARE IMMERSED THEREIN, THERE BEING A SPACE ABOVE THE SOLUTION IN THE TANK AND THE SAME BEING RECEPTIVE OF FUMES PERCOLATING UPWARD THROUGH SAID SOLUTION, AND AN EXPANDING OUTLET FOR THE FUMES FROM SAID SPACE TO ATTENUATE SAID FUMES AND CAUSE THE SAME TO GRAVITATIONALLY RELEASE MOISTURE PICKED UP FROM SAID SOLUTION.
Claim 2
Dependent Claim
90 words
APPARATUS OF THE CHARACTER DESCRIBED, COMPRISING A TANK FOR WASHING SOLUTION, CONDUIT MEANS TO CONDUCT AIR-BORNE FUMES INTO THE SOLUTION, AGITATING MEANS IN SAID TANK AND DRIVEN BY THE AIR-BORNE FUMES TO AGITATE THE SOLUTION WHILE THE FUMES ARE IMMERSED THEREIN, THERE BEING A SPACE ABOVE THE SOLUTION IN THE TANK AND THE SAME BEING RECEPTIVE OF FUMES PERCOLATING UPWARD THROUGH SAID SOLUTION, AND AN EXPANDING OUTLET FOR THE FUMES FROM SAID SPACE TO ATTENUATE SAID FUMES AND CAUSE THE SAME TO GRAVITATIONALLY RELEASE MOISTURE PICKED UP FROM SAID SOLUTION.
References Cited (Backward Citations)
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Cited
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US1214372A
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US1775876A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |