Patent US2628485A successfully refreshed from Google Patents.
US2628485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for dehydration
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1949-10-19
•
Granted: 1953-02-17
•
Expires: 1969-10-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry Aubrey Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:39
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/16; B01D1/18; A; A23; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/12; Y; Y10; Y10S; Y10S159/00; Y10S159/05
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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |