US2856270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystallizer
Assignee: Olin Corp
•
Filing: 1955-11-09
•
Granted: 1958-10-14
•
Expires: 1975-11-09
Abstract
No abstract record available.
Inventors
- 👤 Walter C Saeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:51
CPC Classifications
B; B01; B01D; B01D9/00; B01D9/0004; B01D9/0013; B01D9/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A CRYSTALLIZER OF THE TURBULENT SUSPENSION TYPE COMPRISING A CRYSTALLIZER TANK WITH A FEED INLET, A PRODUCT OUTLET, MEANS FOR MAINTAINING A TURGULENT SUSPENSION IN THE MAIN BODY, OF THE TANK, AND HEAT EXCHANGE MEANS FOR EFFECTING OPTIMUM CRYSTALLIZING CONDITIONS THEREIN, A DOWNWARD FACING OPEN-ENDED, ANNULAR, ENCLOSURE WITHIN SAID TANK FOR TRAPPING FINES IN A RELATIVELY QUIET ZONE, SAID ENCLOSURE HAVING ADJUSTABLE THROTTLING MEANS IN ITS UPPER SECTION CONTROLLING AN OPENING TO THE MAIN SUSPENSION AND A FINES OUTLET LEADING TO A FINES REDISSOLVING AND TANK RETURN MEANS.
Claim 2
Dependent Claim
88 words
A CRYSTALLIZER OF THE TURBULENT SUSPENSION TYPE COMPRISING A CRYSTALLIZER TANK WITH A FEED INLET, A PRODUCT OUTLET, MEANS FOR MAINTAINING A TURGULENT SUSPENSION IN THE MAIN BODY, OF THE TANK, AND HEAT EXCHANGE MEANS FOR EFFECTING OPTIMUM CRYSTALLIZING CONDITIONS THEREIN, A DOWNWARD FACING OPEN-ENDED, ANNULAR, ENCLOSURE WITHIN SAID TANK FOR TRAPPING FINES IN A RELATIVELY QUIET ZONE, SAID ENCLOSURE HAVING ADJUSTABLE THROTTLING MEANS IN ITS UPPER SECTION CONTROLLING AN OPENING TO THE MAIN SUSPENSION AND A FINES OUTLET LEADING TO A FINES REDISSOLVING AND TANK RETURN MEANS.
References Cited (Backward Citations)
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US1478337A
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US1890206A
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US2078627A
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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) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |