US3010805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Classifying crystallizers and systems
Assignee: General American Transportation Corp
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Filing: 1959-09-24
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Granted: 1961-11-28
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Cheng
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:37
CPC Classifications
B; B01; B01D; B01D9/00; B01D9/0018; B01D9/0022; B01D9/0031; B01D9/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A CLASSIFYING CRYSTALLIZER SYSTEM FOR SEPARATING CRYSTALS FROM SOLUTIONS, COMPRISING A CRYSTALLIZER SHELL, AN INLET PIPE COMMUNICATING WITH SAID SHELL FOR SUPPLYING SOLUTION FROM WHICH CRYSTALS ARE TO BE CRYSTALLIZED, AN OUTLET PIPE COMMUNICATING WITH SAID SHELL AND SUPPLIED WITH MOTHER LIQUOR CONTAINING CRYSTAL PRODUCT, WHEREBY PASSAGE OF THE SOLUTION FROM SAID INLET PIPE IN A MAIN STREAM THROUGH SAID SHELL TO SAID OUTLET PIPE SERVES TO FORM NUCLEI AND FINES AND UNDERSIZE CRYSTALS AND CRYSTAL PRODUCT IN MOTHER LIQUOR BY DESUPERSATURATION OF THE SOLUTION AND CRYSTAL GROWTH, FIRST CONDUIT MEANS COMMUNICATING WITH SAID SHELL FOR SEPARATING A FIRST SIDE STREAM CONTAINING SUBSTANTIALLY ONLY NUCLEI FROM THE MAIN STREAM
Claim 2
Dependent Claim
109 words
A CLASSIFYING CRYSTALLIZER SYSTEM FOR SEPARATING CRYSTALS FROM SOLUTIONS, COMPRISING A CRYSTALLIZER SHELL, AN INLET PIPE COMMUNICATING WITH SAID SHELL FOR SUPPLYING SOLUTION FROM WHICH CRYSTALS ARE TO BE CRYSTALLIZED, AN OUTLET PIPE COMMUNICATING WITH SAID SHELL AND SUPPLIED WITH MOTHER LIQUOR CONTAINING CRYSTAL PRODUCT, WHEREBY PASSAGE OF THE SOLUTION FROM SAID INLET PIPE IN A MAIN STREAM THROUGH SAID SHELL TO SAID OUTLET PIPE SERVES TO FORM NUCLEI AND FINES AND UNDERSIZE CRYSTALS AND CRYSTAL PRODUCT IN MOTHER LIQUOR BY DESUPERSATURATION OF THE SOLUTION AND CRYSTAL GROWTH, FIRST CONDUIT MEANS COMMUNICATING WITH SAID SHELL FOR SEPARATING A FIRST SIDE STREAM CONTAINING SUBSTANTIALLY ONLY NUCLEI FROM THE MAIN STREAM
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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |