US1854744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production and recovery of dispersed substances
Assignee: Sharples Specialty Co
•
Filing: 1925-11-27
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Granted: 1932-04-19
•
Expires: 1945-11-27
Abstract
No abstract record available.
Inventors
- 👤 Leo D Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:30
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/14; C09C1/16; C01; C01P; C01P2004/00; C01P2004/60; C01P2006/00; C01P2006/90; Y; Y10; Y10S; Y10S260/00; Y10S260/22; Y10S516/00; Y10S516/924; Y10S516/928
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) | 1935-04-19 | 1935-10-19 | 1936-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-04-19 | 1939-10-19 | 1940-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-04-19 | 1943-10-19 | 1944-04-19 | $7700.00 | Window Closed / Lapsed |