US2862548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-powered agitating evaporator
Assignee: Individual
•
Filing: 1957-02-11
•
Granted: 1958-12-02
•
Expires: 1977-02-11
Abstract
No abstract record available.
Inventors
- 👤 Oscar A Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:06
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/02; Y; Y10; Y10S; Y10S159/00; Y10S159/13; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |