Patent US1365791A successfully refreshed from Google Patents.
US1365791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of recovering volatile solvents
Assignee: Individual
•
Filing: 1920-05-18
•
Granted: 1921-01-18
•
Expires: 1940-05-18
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Sadtler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:45
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14; B01D53/1493; B01D53/1487; B01D2252/00; B01D2252/20; B01D2252/50; B01D2252/504; B01D2257/00; B01D2257/70; B01D2257/704; B01D2257/708; B01D2258/00; B01D2258/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1924-01-18 | 1924-07-19 | 1925-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-01-18 | 1928-07-19 | 1929-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-01-18 | 1932-07-19 | 1933-01-18 | $7700.00 | Window Closed / Lapsed |