Patent US2926803A successfully refreshed from Google Patents.
Patent US2525224A successfully refreshed from Google Patents.
US2525224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydration of liquids
Assignee: H S KAISER Co
•
Filing: 1946-03-16
•
Granted: 1950-10-10
•
Expires: 1966-03-16
Abstract
No abstract record available.
Inventors
- 👤 Harry S Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:08
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/16; B01D1/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US564481A
Cited
US1157935A
Cited
US1491486A
Cited
US1591583A
Cited
US1829477A
Cited
US1888872A
Cited
US1905263A
Cited
US1989406A
Cited
US1933254A
Cited
US1943146A
Cited
US2154000A
Cited
US2314159A
Cited
US2461584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |