US2266031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent recovery apparatus
Assignee: Individual
•
Filing: 1940-06-15
•
Granted: 1941-12-16
•
Expires: 1960-06-15
Abstract
No abstract record available.
Inventors
- 👤 Harman-Ashley John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:52
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D2253/00; B01D2253/10; B01D2253/102; B01D2257/00; B01D2257/20; B01D2257/206; B01D2257/2064; B01D2257/70; B01D2257/708; B01D2259/00; B01D2259/40; B01D2259/40003; B01D2259/40083; B01D2259/40088; B01D2259/4009; B01D2259/402; B01D53/0446; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/794; Y10T137/8593; Y10T137/87249; Y10T137/87265; Y10T137/8741; Y10T137/87418
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) | 1944-12-15 | 1945-06-16 | 1945-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-15 | 1949-06-16 | 1949-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-15 | 1953-06-16 | 1953-12-16 | $7700.00 | Window Closed / Lapsed |