Patent US3281948A successfully refreshed from Google Patents.
US3281948A
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Method for drying and treating hair or other fibers via ultrasonics
Assignee: Engineering & Dev Co
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Filing: 1965-09-13
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Granted: 1966-11-01
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Goble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:37
CPC Classifications
D; D06; D06B; D06B13/00; A; A45; A45D; A45D7/00; F; F26; F26B; F26B7/00; A45D2200/00; A45D2200/20; A45D2200/207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE METHOD OF TREATING NATURAL FIBERS COMPRISING THE STEPS OF ARRANGING THE FIBERS INTO A PREDETERMINED CONFIGURATION, WETTING THE FIBERS WITH A LIQUID MATERIAL CHARACTERIZED BY HAVING A WEAK BONDING STRUCTURE ADAPTED TO BE EASILY RUPTURED WITH A RELEASE OF FREE IONS AND RADICALS, AND SUBJECTING THE SAME TO A STREAM OF FLUID WHICH IS MODULATED AT ULTRASONIC FREQENCIES.
Claim 2
Independent Claim
59 words
THE METHOD OF TREATING NATURAL FIBERS COMPRISING THE STEPS OF ARRANGING THE FIBERS INTO A PREDETERMINED CONFIGURATION, WETTING THE FIBERS WITH A LIQUID MATERIAL CHARACTERIZED BY HAVING A WEAK BONDING STRUCTURE ADAPTED TO BE EASILY RUPTURED WITH A RELEASE OF FREE IONS AND RADICALS, AND SUBJECTING THE SAME TO A STREAM OF FLUID WHICH IS MODULATED AT ULTRASONIC FREQENCIES.
References Cited (Backward Citations)
US3175299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |