US2060166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid treating mechanism and method
Assignee: Individual
•
Filing: 1934-11-12
•
Granted: 1936-11-10
•
Expires: 1954-11-12
Abstract
No abstract record available.
Inventors
- 👤 Bowen William Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:49
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; B01F; B01F23/00; B01F23/20; B01F23/21; B01F23/213; B01F23/2132; Y; Y10; Y10S; Y10S261/00; Y10S261/54
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) | 1939-11-10 | 1940-05-11 | 1940-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-10 | 1944-05-11 | 1944-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-10 | 1948-05-11 | 1948-11-10 | $7700.00 | Window Closed / Lapsed |