Patent US1922006A successfully refreshed from Google Patents.
US1922006A
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Method of making colloidal solutions of inorganic substances in polyalcohols
Assignee: Chemische Fabrik Von Heyden AG
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Filing: 1930-08-12
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Granted: 1933-08-08
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Expires: 1950-08-12
Abstract
No abstract record available.
Inventors
- 👤 Hoessle Carl Hermann Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0033; C; C01; C01B; C01B17/00; C01B17/02; C01B17/10; C01B33/00; C01B33/113; C01B33/12; C01B33/14; C01B33/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-08-07 | 1937-02-06 | 1937-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-07 | 1941-02-06 | 1941-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-07 | 1945-02-06 | 1945-08-08 | $7700.00 | Window Closed / Lapsed |