US3298950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid treating apparatus and method
Assignee: Sybron Transition Corp
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Filing: 1964-04-13
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Granted: 1967-01-17
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Albert B Mindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:30
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A METHOD OF TREATING LIQUID BY CONTACT WITH GRANULAR TREATING MATERIAL WHICH COMPRISES MAINTAINING A SERIES OF TREATMENT STAGES, MAINTAINING IN EACH OF SAID STAGES A MIXING ZONE AND A SEPARATING ZONE, ESTABLISHING IN EACH OF SAID STAGES FLOW OF A SLURRY CONSISTING OF LIQUID BEING TREATED AND GRANULAR TREATING MATERIAL THROUGH SAID MIXING ZONE AND FROM SAID MIXING ZONE TO SAID SEPARATING ZONE, SUPPLYING LIQUID TO BE TREATED TO THE MIXING ZONE OF THE FIRST STATE IN SAID SERIES, FLOWING LIQUID FROM THE UPPER PORTION OF THE SEPARATING ZONE OF EACH EXCEPT THE LAST STAGE TO THE MIXING ZONE OF THE NEXT SUCCEEDING STAGE IN SAID SERIES, AND FROM THE UPPER PORTION OF THE SEPARATING ZONE OF THE LAST STAGE IN SAID SERIES, TRANSFERRING GRANULAR TREATING MATERIAL FROM THE LOWER PORTION OF THE SEPARATING ZONE OF EACH EXCEPT THE FIRST STAGE TO THE MIXING ZONE OF THE NEXT PRECEDING STAGE IN SAID SERIES, AND REMOVING GRANULAR TREATING MATERIAL FROM THE LOWER PORTION OF THE SEPARATING ZONE OF THE FIRST STAGE IN SAID SERIES.
Claim 2
Independent Claim
174 words
A METHOD OF TREATING LIQUID BY CONTACT WITH GRANULAR TREATING MATERIAL WHICH COMPRISES MAINTAINING A SERIES OF TREATMENT STAGES, MAINTAINING IN EACH OF SAID STAGES A MIXING ZONE AND A SEPARATING ZONE, ESTABLISHING IN EACH OF SAID STAGES FLOW OF A SLURRY CONSISTING OF LIQUID BEING TREATED AND GRANULAR TREATING MATERIAL THROUGH SAID MIXING ZONE AND FROM SAID MIXING ZONE TO SAID SEPARATING ZONE, SUPPLYING LIQUID TO BE TREATED TO THE MIXING ZONE OF THE FIRST STATE IN SAID SERIES, FLOWING LIQUID FROM THE UPPER PORTION OF THE SEPARATING ZONE OF EACH EXCEPT THE LAST STAGE TO THE MIXING ZONE OF THE NEXT SUCCEEDING STAGE IN SAID SERIES, AND FROM THE UPPER PORTION OF THE SEPARATING ZONE OF THE LAST STAGE IN SAID SERIES, TRANSFERRING GRANULAR TREATING MATERIAL FROM THE LOWER PORTION OF THE SEPARATING ZONE OF EACH EXCEPT THE FIRST STAGE TO THE MIXING ZONE OF THE NEXT PRECEDING STAGE IN SAID SERIES, AND REMOVING GRANULAR TREATING MATERIAL FROM THE LOWER PORTION OF THE SEPARATING ZONE OF THE FIRST STAGE IN SAID SERIES.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |