US1494090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Countercurrent extraction
Assignee: COCOA PRODUCTS Co
•
Filing: 1921-10-08
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Granted: 1924-05-13
•
Expires: 1941-10-08
Abstract
No abstract record available.
Inventors
- 👤 Wilson Robert Erastus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:15
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/02; C11B1/04; C11B1/10; C11B1/102
Claims Analysis
Total Claims: 0
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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) | 1927-05-13 | 1927-11-12 | 1928-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-05-13 | 1931-11-12 | 1932-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-05-13 | 1935-11-12 | 1936-05-13 | $7700.00 | Window Closed / Lapsed |