US3221385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strand streatment
Assignee: Techniservice Corp
•
Filing: 1961-05-24
•
Granted: 1965-12-07
•
Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 Robert K Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:19
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/20; D02G1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
STRAND TREATMENT, FOR A DISTORTED STRAND HAVING DISTORTION-INDUCED STRAINS THEREIN EFFECTIVE TO BIAS THE STRAND SO AS TO REDUCE THE DISTORTION THEREOF, SUCH STRAINS BEING ADAPTED TO BE RELIEVED BY HEATING, COMPRISING SUPPORTING SUCH STRAND WITHIN A HEATING ZONE FOR TRAVEL THROUGH THE ZONE, TRAVELLING THE STRAND THROUGH THE ZONE, AND REDUCING THE RATE OF TRAVEL OF THE STRAND AT SUCCESSIVE INCREMENTS OF THE TRAVEL THROUGH THE ZONE, AND HEATING THE STRAND SUFFICIENTLY THROUGHOUT ITS TRAVEL THROUGH THE ZONE TO RELIEVE SUCH STRAINS TO A DESIRED EXTENT, AS EVIDENCED BY RESULTANT REDUCTION IN THE BIAS OF THE STRAND TOWARD A DISTORTION-FREE CONDITION.
Claim 2
Dependent Claim
102 words
STRAND TREATMENT, FOR A DISTORTED STRAND HAVING DISTORTION-INDUCED STRAINS THEREIN EFFECTIVE TO BIAS THE STRAND SO AS TO REDUCE THE DISTORTION THEREOF, SUCH STRAINS BEING ADAPTED TO BE RELIEVED BY HEATING, COMPRISING SUPPORTING SUCH STRAND WITHIN A HEATING ZONE FOR TRAVEL THROUGH THE ZONE, TRAVELLING THE STRAND THROUGH THE ZONE, AND REDUCING THE RATE OF TRAVEL OF THE STRAND AT SUCCESSIVE INCREMENTS OF THE TRAVEL THROUGH THE ZONE, AND HEATING THE STRAND SUFFICIENTLY THROUGHOUT ITS TRAVEL THROUGH THE ZONE TO RELIEVE SUCH STRAINS TO A DESIRED EXTENT, AS EVIDENCED BY RESULTANT REDUCTION IN THE BIAS OF THE STRAND TOWARD A DISTORTION-FREE CONDITION.
References Cited (Backward Citations)
US2002996A
Cited
US2070252A
Cited
US2336019A
Cited
US2639485A
Cited
US3029591A
Cited
GB850693A
Cited
US3077724A
Cited
GB858438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |