Patent US3150435A successfully refreshed from Google Patents.
US3150435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of tempering nylon
Assignee: Uniroyal Inc
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Filing: 1963-03-18
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Granted: 1964-09-29
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Mccolm
- 👤 Ferrell Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:27
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A TEMPERING PROCESS WHICH COMPRISES SUBJECTING A MYLON STRAND TO AN INITIAL TENSION, AND WHILE AT SUBSTANTIALLY CONSTANT LENGTH HEATING SAID STRAND TO A TEMPERATURE OF ABOUT 7*F. ABOVE TO 80*F. BELOW THE MELTING POINT OF THE NYLON UNDER AMBIENT CONDITIONS, FOR A PERIOD OF AT LEAST ABOUT 30 SECONDS AND UNDER CONDITIONS SUCH THAT THE NYLON IS SUBSTANTIALLY UNOXIDIZED.
Claim 2
Dependent Claim
60 words
A TEMPERING PROCESS WHICH COMPRISES SUBJECTING A MYLON STRAND TO AN INITIAL TENSION, AND WHILE AT SUBSTANTIALLY CONSTANT LENGTH HEATING SAID STRAND TO A TEMPERATURE OF ABOUT 7*F. ABOVE TO 80*F. BELOW THE MELTING POINT OF THE NYLON UNDER AMBIENT CONDITIONS, FOR A PERIOD OF AT LEAST ABOUT 30 SECONDS AND UNDER CONDITIONS SUCH THAT THE NYLON IS SUBSTANTIALLY UNOXIDIZED.
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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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |