Patent US3648296A successfully refreshed from Google Patents.
US2747232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for decorticating fibrous materials
Assignee: Jackson and Church Co
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Filing: 1952-07-03
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Granted: 1956-05-29
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Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 Armstrong Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:35
CPC Classifications
D; D01; D01B; D01B1/00; D01B1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A METHOD FOR DECORTICATING BUNDLES OF FIBROUS VEGETABLE MATERIAL, WHICH BUNDLES CONSIST OF RELATIVELY LONG, FLEXIBLE AND TOUGH FIBERS BONDED TOGETHER WITH MATURAL BONDING AGENTS, THE STEPS COMPRISING: SUSPENDING SAID BUNDLES INDEPENDENTLY OF EACH OTHER IN A FLUID STREAM AND CONDUCTING SAID STREAM AND BUNDLES SUSPENDED THEREIN THROUGH A DECORTICATING ZONE; APPLYING A BENDING MOMENT TO SAID BUNDLES WHILE SAME REMAIN SUSPENDED IN SAID FLUID STREAM, SAID BENDING MOMENT BEING APPLIED TO SAID RESPECTIVE BUNDLES OVER A PREDETERMINED LENGTH THEREOF; REPEATEDLY APPLYING SUBSEQUENT BENDING MOMENTS TO SAID BUNDLES AND PROGRESSIVELY DIMINISHING THE DISTANCE OVER WHICH SAID BENDING MOMENT IS APPLIED AS SAID FLUIDSUPPORTED BUNDLES MOVE THROUGH SAID DECORTICATING ZONE; CONDUCTING SAID FLUID AND THE DECORTICATED MATERIAL SUPPORTED THEREBY OUT FROM SAID ZONE.
Claim 2
Dependent Claim
123 words
IN A METHOD FOR DECORTICATING BUNDLES OF FIBROUS VEGETABLE MATERIAL, WHICH BUNDLES CONSIST OF RELATIVELY LONG, FLEXIBLE AND TOUGH FIBERS BONDED TOGETHER WITH MATURAL BONDING AGENTS, THE STEPS COMPRISING: SUSPENDING SAID BUNDLES INDEPENDENTLY OF EACH OTHER IN A FLUID STREAM AND CONDUCTING SAID STREAM AND BUNDLES SUSPENDED THEREIN THROUGH A DECORTICATING ZONE; APPLYING A BENDING MOMENT TO SAID BUNDLES WHILE SAME REMAIN SUSPENDED IN SAID FLUID STREAM, SAID BENDING MOMENT BEING APPLIED TO SAID RESPECTIVE BUNDLES OVER A PREDETERMINED LENGTH THEREOF; REPEATEDLY APPLYING SUBSEQUENT BENDING MOMENTS TO SAID BUNDLES AND PROGRESSIVELY DIMINISHING THE DISTANCE OVER WHICH SAID BENDING MOMENT IS APPLIED AS SAID FLUIDSUPPORTED BUNDLES MOVE THROUGH SAID DECORTICATING ZONE; CONDUCTING SAID FLUID AND THE DECORTICATED MATERIAL SUPPORTED THEREBY OUT FROM SAID ZONE.
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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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |