Patent US2668796A successfully refreshed from Google Patents.
US2668796A
Expired / Lapsed
US
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Method of reclaiming detergent solutions
Assignee: Barry Wehmiller Co Inc
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Filing: 1949-10-17
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Granted: 1954-02-09
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Expires: 1969-10-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Wehmiller
- 👤 William J Nekola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:52
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
THE METHOD OF RECLAIMING THE LIQUIDS HELD IN A BUBBLE-LIKE SUSPENSION OF A FROTHY MASS IN CAUSTIC SOLUTION, CONTAINING PAPER AND OTHER SOLID MATERIALS, WHICH COMPRISES DIRECTING ALL OF THE LIQUID, FROTHY MASS OF SUSPENDED LIQUID AND SOLID MATERIAL IN A FREE FALLING STREAM INTERRUPTING THE SOLIDS AND FROTHY MASS OF THE STREAM WHILE ALLOWING THE LIQUID PORTIONS OF THE STREAM TO PASS ON IN THE SAME DIRECTION AS THE FREE FALLING STREAM, BREAKING DOWN THE INTERRUPTED FROTHY MASS TO SEPARATE THE LIQUID PORTION FROM THE SOLIDS AND RELEASE THE AIR AND OTHER GASES ENTRAPPED THEREIN AND SIMULTANEOUSLY PROGRESSIVELY DISPLACING THE INTERRUPTED SOLIDS FROM THE FREE FALLING STREAM, COLLECTION BELOW THE POINT OF IN-
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) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |