US3302791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treatment of solutions by bodies of granular substances which may be regenerated
Assignee: Individual
•
Filing: 1963-09-26
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Granted: 1967-02-07
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Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 Assalini Giuseppe
- 👤 Brandoli Giuseppina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:46
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/14; B; B01; B01J; B01J47/00; B01J47/10; B01J47/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
APPARATUS FOR TREATING A LIQUID WITH A SOLID, COMPRISING A SERIES OF CONTIGUOUS CONTAINERS FOR THE SOLID, MEANS FOR MOVING THE CONTAINERS ABOUT A CLOSED CIRCUIT WITH INTERMITTENT MOVEMENTS SPACED APART BY DWELL PERIODS, MEANS FOR SUPPLYING A LIQUID TO BE TREATED SUCCESSIVELY TO SAID CONTAINERS DURING SAID DWELL PERIODS, MEANS FOR SIMULTANEOUSLY SUPPLYING REGENERATING FLUID INCLUDING AT LEAST ONE WASH LIQUID TO OTHER OF SAID CONTAINERS DURING SAID DWELL PERIODS, AND SIPHON MEANS FOR REMOVING SAID LIQUID TO BE TREATED FROM SAID PLURALITY OF CONTAINERS AFTER TREATMENT, SAID SIPHON MEANS BEING SO DISPOSED AS TO MAINTAIN THE LEVEL OF LIQUID IN SAID PLURALITY OF CONTAINERS AT LEAST ABOUT AS HIGH AS THE HEIGHT OF SAID SOLID IN SAID PLURALITY OF CONTAINERS.
Claim 2
Dependent Claim
122 words
APPARATUS FOR TREATING A LIQUID WITH A SOLID, COMPRISING A SERIES OF CONTIGUOUS CONTAINERS FOR THE SOLID, MEANS FOR MOVING THE CONTAINERS ABOUT A CLOSED CIRCUIT WITH INTERMITTENT MOVEMENTS SPACED APART BY DWELL PERIODS, MEANS FOR SUPPLYING A LIQUID TO BE TREATED SUCCESSIVELY TO SAID CONTAINERS DURING SAID DWELL PERIODS, MEANS FOR SIMULTANEOUSLY SUPPLYING REGENERATING FLUID INCLUDING AT LEAST ONE WASH LIQUID TO OTHER OF SAID CONTAINERS DURING SAID DWELL PERIODS, AND SIPHON MEANS FOR REMOVING SAID LIQUID TO BE TREATED FROM SAID PLURALITY OF CONTAINERS AFTER TREATMENT, SAID SIPHON MEANS BEING SO DISPOSED AS TO MAINTAIN THE LEVEL OF LIQUID IN SAID PLURALITY OF CONTAINERS AT LEAST ABOUT AS HIGH AS THE HEIGHT OF SAID SOLID IN SAID PLURALITY OF CONTAINERS.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |