US3086717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of bark components
Assignee: Consolidated Paper Corp Ltd
•
Filing: 1957-07-22
•
Granted: 1963-04-23
•
Expires: 1977-07-22
Abstract
No abstract record available.
Inventors
- 👤 Alan H Vroom
- 👤 John D Boadway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:07
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/02; D21B1/023; D21F; D21F1/00; D21F1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A METHOD OF SEPARATING BARK, OF THE TYPE HAVING A FIBROUS AND GEL-LIKE COMPONENT INTO ITS PHYSICAL COMPONENTS WHICH COMPRISES A WET DISINTEGRATION OF THE BARK TO SUBSTANTIALLY LOOSEN THE SOLID NON-FIBROUS COMPONENTS FROM THE FIBROUS AND COLLOIDAL GEL-LIKE COMPONENT, A HYDRALIC CENTRIFUGING IN A VORTEX PRESSURE DROP TYPE CEN-
Claim 2
Independent Claim
50 words
A METHOD OF SEPARATING BARK, OF THE TYPE HAVING A FIBROUS AND GEL-LIKE COMPONENT INTO ITS PHYSICAL COMPONENTS WHICH COMPRISES A WET DISINTEGRATION OF THE BARK TO SUBSTANTIALLY LOOSEN THE SOLID NON-FIBROUS COMPONENTS FROM THE FIBROUS AND COLLOIDAL GEL-LIKE COMPONENT, A HYDRALIC CENTRIFUGING IN A VORTEX PRESSURE DROP TYPE CEN-
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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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |