US3468419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and means for filtration of yeast or other plant cellular material
Assignee: Svenska Jastfabriks AB
•
Filing: 1966-06-08
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Granted: 1969-09-23
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Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 Ingvar Oskar Wallentin Lundin
- 👤 Sven Axel Eriksson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:39
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/06; B01D33/073; B01D33/09; B01D33/44; B01D33/46; B01D33/466; B01D33/70; B01D33/72; B01D2201/00; B01D2201/18; B01D2201/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1449774A
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US1946039A
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US2073384A
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US2102780A
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US2270938A
Cited
US2602549A
Cited
US2576288A
Cited
US3027011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |