US2396752A
Expired / Lapsed
US
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Method for dissolving organic solids with organic liquids
Assignee: Individual
•
Filing: 1942-02-23
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Granted: 1946-03-19
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Expires: 1962-02-23
Abstract
No abstract record available.
Inventors
- 👤 Fred M Roddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/11; B; B01; B01F; B01F21/00; B01F21/20; B01F21/40; B01F21/401; B01F25/00; B01F25/60; B01F35/00; B01F35/20; B01F35/22; B01F35/221; B01F35/2213; D; D01; D01D; D01D1/00; D01D1/06; D01D1/065; B01F2025/91; B01F2025/916; B01F35/90; B01F2035/99
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) | 1949-03-18 | 1949-09-17 | 1950-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-18 | 1953-09-17 | 1954-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-18 | 1957-09-17 | 1958-03-19 | $7700.00 | Window Closed / Lapsed |