US3446139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Serpentine wine press
Assignee: University of California Berkeley
•
Filing: 1966-05-10
•
Granted: 1969-05-27
•
Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 Robert J Coffelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:42
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/24; B30B9/246; B01; B01D; B01D33/00; B01D33/04; B01D33/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1599376A
Cited
US692823A
Cited
US1241905A
Cited
US1985323A
Cited
US2724508A
Cited
US3106152A
Cited
US3130667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |