US2895857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for cleaning wool in dry state
Assignee: BANCROFT BRILLOTEX INTERNAT S
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Filing: 1954-10-19
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Granted: 1959-07-21
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Expires: 1974-10-19
Abstract
No abstract record available.
Inventors
- 👤 Boer Arpad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:26
CPC Classifications
D; D01; D01B; D01B3/00; D01B3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR CLEANING CARDED WOOL IN THE DRY STATE WHICH COMPRISES FORMING A LENGTH OF SUCH WOOL INTO A SUCCESSION OF OVERLAPPING ZIG-ZAG FOLDS, DISCHARGING A GREASE-AVID DETERGENT POWDER HAS ABSORBED FORMED SUBJECTING THE FOLDED WOOL AND POWDER TO FRICCONTANT UNTIL THE DETERGENT POWDER HAS ABSORBED THE GREASE FROM THE WOOL AND THEN REMOVING THE DETERGENT GENT POWDER WITH ITS ABSORBED GREASE FROM THE WOOL TO TO LEAVE THE WOOL IN CLEANED CONDITION.
Claim 2
Dependent Claim
74 words
A PROCESS FOR CLEANING CARDED WOOL IN THE DRY STATE WHICH COMPRISES FORMING A LENGTH OF SUCH WOOL INTO A SUCCESSION OF OVERLAPPING ZIG-ZAG FOLDS, DISCHARGING A GREASE-AVID DETERGENT POWDER HAS ABSORBED FORMED SUBJECTING THE FOLDED WOOL AND POWDER TO FRICCONTANT UNTIL THE DETERGENT POWDER HAS ABSORBED THE GREASE FROM THE WOOL AND THEN REMOVING THE DETERGENT GENT POWDER WITH ITS ABSORBED GREASE FROM THE WOOL TO TO LEAVE THE WOOL IN CLEANED CONDITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |