US3085624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous digester
Assignee: Bauer Brothers Co
•
Filing: 1959-11-30
•
Granted: 1963-04-16
•
Expires: 1979-11-30
Abstract
No abstract record available.
Inventors
- 👤 Anton J Horstman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:47
CPC Classifications
D; D21; D21C; D21C7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
APPARATUS FOR THE CONTINUOUS DIGESTING OF FRAGMENTARY SOLIDS, INCLUDING A VERTICAL DIGESTER VESSEL HAVING A CONTINUOUSLY OPEN OUTLET AT THE BOTTOM THEREOF AND AN INLET AT THE TOP, A METERING CONVEYER FOR DELIVERING FRAGMENTARY SOLIDS AT A PREDETERMINED RATE TO SAID INLET, A VALVE BETWEEN SAID CONVEYER AND SAID INLET FOR PASSING THE SOLIDS WHILE INHIBITING A RELEASE OF PRESSURE FROM SAID VESSEL, MEANS FOR ADMITTING LIQUOR AND STEAM TO SAID VESSEL, THE MIXTURE OF LIQUOR AND MATERIAL DESCENDING BY GRAVITY THROUGH THE VESSEL TO SAID OUTLET, MEANS FOR SENSING THE QUANTITY OF SOLID MATERIAL IN SAID VESSEL, MEANS FOR APPLYING HYDRAULIC PRESSURE AT SELECTED POINTS IN SAID VESSEL, AND MEANS RESPONSIVE TO THE QUANTITY OF SOLIDS IN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |