US3104153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously soaking fibrous material
Assignee: Alfa Laval Holdings Amsterdam AB
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Filing: 1959-01-16
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Granted: 1963-09-17
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Expires: 1979-01-16
Abstract
No abstract record available.
Inventors
- 👤 Ekegren Sven Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:20
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/02; D01; D01B; D01B3/00; D01B3/04; D01B3/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
IN THE CONTINUOUS SOAKING OF FIBROUS MATERIAL, SUCH AS RAW WOOL, WITH A WASHING LIQUID, THE METHOD WHICH COMPRISES CONTINUOUSLY DROPPING THE FIBROUS MATERIAL INTO A BODY OF THE WASHING LIQUID, CONTINUOUSLY WHIRLING, IN A SUBSTANTIALLY VERTICAL PLANE AND BY INJECTING A JET OF WASHING LIQUID INTO THE LOWER PORTION OF SAID BODY AND ACROSS SAID BODY, A PART OF THE LIQUID IN SAID BODY THROUGH AN ENDLESS PATH WHICH INTERCEPTS THE FIBERS DROPPED INTO SAID BODY, THEREBY FORMINGIN SAID BODY A WHIRLING LIQUID SUSPENSION OF THE FIBERS, AND CONTINUOUSLY DISCHARGING SAID SUSPENSION THROUH AN OUTLET FROM THE LOWER POR-
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |