US2419930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for clarifying liquids
Assignee: California Fruit Growers Exchange
•
Filing: 1942-02-16
•
Granted: 1947-04-29
•
Expires: 1962-02-16
Abstract
No abstract record available.
Inventors
- 👤 Wilson Clarence Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:40
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/02; C12H1/04; C12H1/0416; C02; C02F; C02F1/00; C02F1/52; C02F1/5263; Y; Y10; Y10S; Y10S210/00; Y10S210/928
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US979482A
Cited
US1443454A
Cited
US1838949A
Cited
US2020572A
Cited
US2069766A
Cited
US2132064A
Cited
US2218053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |