Patent US2827366A successfully refreshed from Google Patents.
US2827366A
Expired / Lapsed
US
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Crystallization apparatus
Assignee: Olin Corp
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Filing: 1954-03-04
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Granted: 1958-03-18
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Expires: 1974-03-04
Abstract
No abstract record available.
Inventors
- 👤 Walter C Saeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:18
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/24; C01C1/248; B; B01; B01D; B01D9/00; B01D9/0018; B01D9/0022; B01D9/0036; C01C1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN APPARATUS FOR GROWING CRYSTALS FROM SEED CRYSTALS AND ADAPTED TO CONTROL THE LOACATION AND CONCENTRATION OF SAID SEED CRYSTALS COMPRISING A TANK HAVING AN APERTURED PARTITION MEMBER DEFINING A FRUSTROM OF A COME DIVIDING THE TANK INT AN UPPER AND A LOWER COMAPERATURED PARTITION MEMBER DEFINING A FRUSTRUM OF A LOWER COMPARTMENT TO THE UPPER COMPARTMENT ALONG A FIRST PREDETERMINED FLOW PATH, A SETTLING TANK, A SECOND CONDUIT MEANS COMMUNICATING WITH THE BOTTOM OF THE LOWER SAID LOWER COMPARTMENTS AND WITH THE BOTTOM OF THE LOWER COMPARTMENT DEFINING A SECOND PREDETERMINED FLOW PATH, SAID SECOND FLOW PATH PASSING THROUGH SAID SETTLING TANK, WITH BOTH SAID FLOW PATHS FOR REGULATING THE RELATIVE QUANTITIES OF FLUID THAT ARE TRANSFERRED ALONG SAID PATHS.
Claim 2
Independent Claim
121 words
AN APPARATUS FOR GROWING CRYSTALS FROM SEED CRYSTALS AND ADAPTED TO CONTROL THE LOACATION AND CONCENTRATION OF SAID SEED CRYSTALS COMPRISING A TANK HAVING AN APERTURED PARTITION MEMBER DEFINING A FRUSTROM OF A COME DIVIDING THE TANK INT AN UPPER AND A LOWER COMAPERATURED PARTITION MEMBER DEFINING A FRUSTRUM OF A LOWER COMPARTMENT TO THE UPPER COMPARTMENT ALONG A FIRST PREDETERMINED FLOW PATH, A SETTLING TANK, A SECOND CONDUIT MEANS COMMUNICATING WITH THE BOTTOM OF THE LOWER SAID LOWER COMPARTMENTS AND WITH THE BOTTOM OF THE LOWER COMPARTMENT DEFINING A SECOND PREDETERMINED FLOW PATH, SAID SECOND FLOW PATH PASSING THROUGH SAID SETTLING TANK, WITH BOTH SAID FLOW PATHS FOR REGULATING THE RELATIVE QUANTITIES OF FLUID THAT ARE TRANSFERRED ALONG SAID PATHS.
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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) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |