US3432529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the extraction of oil from cottonseed
Assignee: Individual
•
Filing: 1966-10-14
•
Granted: 1969-03-11
•
Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Depmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:00
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/10; C11B1/102; C11B1/02; C11B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2594117A
Cited
US2485916A
Cited
US2608565A
Cited
US2726253A
Cited
US3119805A
Cited
US3297731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |