US3483092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of a volatile organic solvent by distillation with solvent feed flow responsive to still temperature
Assignee: Detrex Corp
•
Filing: 1966-12-19
•
Granted: 1969-12-09
•
Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Bruce A Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:07
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; Y; Y10; Y10S; Y10S203/00; Y10S203/19
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2140623A
Cited
US2240952A
Cited
US2332800A
Cited
US2441361A
Cited
US2593640A
Cited
US2801958A
Cited
US3089250A
Cited
US3094468A
Cited
US3266273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |