US2495024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing substances containing crystallizable material
Assignee: Golden State Co Ltd
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Filing: 1946-09-19
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Granted: 1950-01-17
•
Expires: 1966-09-19
Abstract
No abstract record available.
Inventors
- 👤 Paul F Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:21
CPC Classifications
A; A23; A23C; A23C1/00; A23C1/12; B; B01; B01D; B01D9/00; B01D9/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
APPARATUS FOR PROPAGATING AND CONTROLLING CRYSTALLINE DEVELOPMENT IN SUPERSATURATED SOLUTIONS COMPRISING A CRYSTAL BED MEMBER PROVIDED WITH A SURFACE HAVING ALTERATIONS THEREIN ADAPTED TO HOLD MASSES OF CRYSTALLINE MATERIAL THERETO, MEANS FOR INTRODUCING AMOUNTS OF SUPERSATURATED SOLUTION TO SAID SURFACE, MEANS FOR SCRAPING SAID SURFACE AND FOR RIPPLING THROUGH THE SUPERSATURATED SOLUTION DURING SAID SCRAPING ACTION, SUPPORTING MEANS FOR SAID SCRPING AND RIPPLING MEANS PROVIDING RELATIVE MOVEMENT BETWEEN SAID SCRAPING AND RIPPLING MEANS AND THE CRYSTALLIZING SURFACE OF SAID CRYSTAL BED MEMBER, SAID CRYSTALLIZING SURFACE AND SAID SUPPORTING MEANS BEING SO CONSTRUCTED AND ARRANGED AS TO PROVIDE A SHALLOW LAYER OF THE SUPERSATURATED SOLUTION IN NONRETURN FLOW ACROSS SAID SURFACE.
Claim 2
Dependent Claim
110 words
APPARATUS FOR PROPAGATING AND CONTROLLING CRYSTALLINE DEVELOPMENT IN SUPERSATURATED SOLUTIONS COMPRISING A CRYSTAL BED MEMBER PROVIDED WITH A SURFACE HAVING ALTERATIONS THEREIN ADAPTED TO HOLD MASSES OF CRYSTALLINE MATERIAL THERETO, MEANS FOR INTRODUCING AMOUNTS OF SUPERSATURATED SOLUTION TO SAID SURFACE, MEANS FOR SCRAPING SAID SURFACE AND FOR RIPPLING THROUGH THE SUPERSATURATED SOLUTION DURING SAID SCRAPING ACTION, SUPPORTING MEANS FOR SAID SCRPING AND RIPPLING MEANS PROVIDING RELATIVE MOVEMENT BETWEEN SAID SCRAPING AND RIPPLING MEANS AND THE CRYSTALLIZING SURFACE OF SAID CRYSTAL BED MEMBER, SAID CRYSTALLIZING SURFACE AND SAID SUPPORTING MEANS BEING SO CONSTRUCTED AND ARRANGED AS TO PROVIDE A SHALLOW LAYER OF THE SUPERSATURATED SOLUTION IN NONRETURN FLOW ACROSS SAID SURFACE.
References Cited (Backward Citations)
US1430900A
Cited
US1810217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |