US2395960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air washing means
Assignee: DeVilbiss Co
•
Filing: 1943-02-23
•
Granted: 1946-03-05
•
Expires: 1963-02-23
Abstract
No abstract record available.
Inventors
- 👤 Albert R Clark
- 👤 James C Buck
- 👤 Vries Robert V De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:07
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; B05; B05B; B05B14/00; B05B14/40; B05B14/46; B05B14/465; B05B16/00; Y; Y10; Y10S; Y10S118/00; Y10S118/07; Y10S55/00; Y10S55/46
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) | 1949-03-04 | 1949-09-03 | 1950-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-04 | 1953-09-03 | 1954-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-04 | 1957-09-03 | 1958-03-05 | $7700.00 | Window Closed / Lapsed |