US3211159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic method for treating natural and synthetic fibers
Assignee: Engineering and Development Company of Colorado
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Filing: 1962-04-30
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Granted: 1965-10-12
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Goble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:53
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/001; D; D06; D06B; D06B13/00; D06M; D06M10/00; D06M10/02; A45D2200/00; A45D2200/20; A45D2200/207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE METHOD OF TREATING NATURAL AND SYNTHETIC FIBERS TO PRODUCE A SUBSTANTIALLY PERMANENT SET THEREIN OF PREDETERMINED CONFIGURATION COMPRISING THE STEPS OF FORMING THE FIBERS INTO A PREDETERMINED CONFIGURATION ABOUT AN ULTRASONIC TRANSDUCER, RESTRAINING THE FIBERS IN SAID CONFIGURATION, APPLYING A COUPLING MEDIA KTO THE FIBERS AND SUBJECTING THE FIBERS TO ULTRASONIC ENERGY FROM SAID TRANSDUCER VIA THE COUPLING MEDIUM KWHILE IN THE RESTRAINED CONFIGURATION.
Claim 2
Independent Claim
65 words
THE METHOD OF TREATING NATURAL AND SYNTHETIC FIBERS TO PRODUCE A SUBSTANTIALLY PERMANENT SET THEREIN OF PREDETERMINED CONFIGURATION COMPRISING THE STEPS OF FORMING THE FIBERS INTO A PREDETERMINED CONFIGURATION ABOUT AN ULTRASONIC TRANSDUCER, RESTRAINING THE FIBERS IN SAID CONFIGURATION, APPLYING A COUPLING MEDIA KTO THE FIBERS AND SUBJECTING THE FIBERS TO ULTRASONIC ENERGY FROM SAID TRANSDUCER VIA THE COUPLING MEDIUM KWHILE IN THE RESTRAINED CONFIGURATION.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |