Patent US2159767A successfully refreshed from Google Patents.
Patent US3035511A successfully refreshed from Google Patents.
US3035511A
Expired / Lapsed
US
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Vertical screw press
Assignee: FMC Corp
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Filing: 1956-04-12
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Granted: 1962-05-22
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Expires: 1976-04-12
Abstract
No abstract record available.
Inventors
- 👤 Dudley W Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:46
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/12; B30B9/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US488956A
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US731734A
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US742971A
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US1354528A
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US2419545A
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US2340009A
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US2709957A
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US2747499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |