US2925639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fulling and scouring wool
Assignee: Deering Milliken Research Corp
•
Filing: 1953-11-30
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Granted: 1960-02-23
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Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Fleur Kermit S La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:17
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/52; D06M13/522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF FULLING AN SCOURING WOOL WHICH METHOD COMPRISES MILLING THE WOOL WET WITH AN AQUEOUS MIXTURE OF SURFACE ACTIVE AGENTS COMPRISING A DETERGENT CHARACTERIZED BY BEING MORE HYDROPHILIC THAN LIPOPHILIC AND A WOOL PLASTICIZER CHARACTERIZED BY BEING MORE LIPOHILIC THAN HYDROPHILIC, SAID DETERGENT BEING SELECTED FROM THE GROUP CONSISTING OF NON-IONIC DETERGENTS AND DETERGENTS CAPABLE OF BEING REPRESENTED BY THE FORMULA:
Claim 2
Independent Claim
63 words
A METHOD OF FULLING AN SCOURING WOOL WHICH METHOD COMPRISES MILLING THE WOOL WET WITH AN AQUEOUS MIXTURE OF SURFACE ACTIVE AGENTS COMPRISING A DETERGENT CHARACTERIZED BY BEING MORE HYDROPHILIC THAN LIPOPHILIC AND A WOOL PLASTICIZER CHARACTERIZED BY BEING MORE LIPOHILIC THAN HYDROPHILIC, SAID DETERGENT BEING SELECTED FROM THE GROUP CONSISTING OF NON-IONIC DETERGENTS AND DETERGENTS CAPABLE OF BEING REPRESENTED BY THE FORMULA:
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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) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |