US2886131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the rapid absorption of slightly soluble gases by liquids
Assignee: Individual
•
Filing: 1955-07-25
•
Granted: 1959-05-12
•
Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 John R Conlisk
- 👤 Charles B Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:45
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A METHOD OF PURIFYING AIR CONTAMINATED BY SMALL AMOUNTS OF HIGH MOLECULAR WEIGHT ORGANIC GASES SLIGHTLY SOLUBLE IN WATER WHICH COMPRISES FLOWING SAID AIR IN INTIMATE CONTACT WITH A DILUTE SUSPENSION OF INELY-DIVIDED ACTIVATED CARBON IN AN AQUEOUS LIQUID.
Claim 2
Independent Claim
39 words
A METHOD OF PURIFYING AIR CONTAMINATED BY SMALL AMOUNTS OF HIGH MOLECULAR WEIGHT ORGANIC GASES SLIGHTLY SOLUBLE IN WATER WHICH COMPRISES FLOWING SAID AIR IN INTIMATE CONTACT WITH A DILUTE SUSPENSION OF INELY-DIVIDED ACTIVATED CARBON IN AN AQUEOUS LIQUID.
References Cited (Backward Citations)
US214412A
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US1169371A
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US1441696A
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US1605897A
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US2121793A
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US2768942A
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US2760598A
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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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |