Patent US2108194A successfully refreshed from Google Patents.
Patent US3289400A successfully refreshed from Google Patents.
US3289400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing modified twist crimped yarn
Assignee: Ernest Scragg and Sons Holdings Ltd
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Filing: 1964-09-21
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Granted: 1966-12-06
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Scragg Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:35
CPC Classifications
D; D02; D02J; D02J13/00; D02J13/003; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
APPARATUS FOR PRODUCING MODIFIED TWIST-CRIMPED YARN, COMPRISING, IN COMBINATON, HEATING MEANS FOR HEATING YARN, SAID HEATING MEANS DEFINING THREE DISTINCT YARN PATHS ALONG SAID HEATING MEANS; TAKE-UP MEANS FOR TAKING UP YARN; GUIDE MEANS FOR GUIDING A PAIR OF YARNS RESPECTIVELY ALONG A PAIR OF PATHS OF MOVEMENT FROM A GIVEN STARTING LOCATION TO SAID TAKE-UP MEANS, SAID PAIR OF PATHS OF MOVEMENT RESPECTIVELY EXTENDING SEPARATELY ALONG TWO OF SAID YARN PATHS OF SAID HEATING MEANS AND TOGETHER ALONG THE THIRD OF SAID YARN PATHS, SO THAT EACH YARN PASSES TWICE ALONG SAID HEATING MEANS; A PAIR OF FALSE TWIST MEANS RESPECTIVELY LOCATED ALONG SAID PAIR OF PATHS OF MOVEMENT FOR FALSE TWISTING THE YARNS AFTER THEY HAVE PASSED AT LEAST ONCE ALONG SAID HEATING MEANS; AND A PAIR OF TENSION CONTROL MEANS RESPECTIVELY LOCATED ALONG SAID PAIR OF PATHS OF MOVEMENT FOR CONTROLLING THE EXTENT TO WHICH THE YARNS ARE TENSIONED WHILE PASSING ALONG SAID HEATING MEANS, WHILE TRAVELLING THROUGH SAID PAIR OF FALSE TWIST MEANS, AND WHILE TRAVELLING TO SAID TAKE UP MEANS.
Claim 2
Dependent Claim
175 words
APPARATUS FOR PRODUCING MODIFIED TWIST-CRIMPED YARN, COMPRISING, IN COMBINATON, HEATING MEANS FOR HEATING YARN, SAID HEATING MEANS DEFINING THREE DISTINCT YARN PATHS ALONG SAID HEATING MEANS; TAKE-UP MEANS FOR TAKING UP YARN; GUIDE MEANS FOR GUIDING A PAIR OF YARNS RESPECTIVELY ALONG A PAIR OF PATHS OF MOVEMENT FROM A GIVEN STARTING LOCATION TO SAID TAKE-UP MEANS, SAID PAIR OF PATHS OF MOVEMENT RESPECTIVELY EXTENDING SEPARATELY ALONG TWO OF SAID YARN PATHS OF SAID HEATING MEANS AND TOGETHER ALONG THE THIRD OF SAID YARN PATHS, SO THAT EACH YARN PASSES TWICE ALONG SAID HEATING MEANS; A PAIR OF FALSE TWIST MEANS RESPECTIVELY LOCATED ALONG SAID PAIR OF PATHS OF MOVEMENT FOR FALSE TWISTING THE YARNS AFTER THEY HAVE PASSED AT LEAST ONCE ALONG SAID HEATING MEANS; AND A PAIR OF TENSION CONTROL MEANS RESPECTIVELY LOCATED ALONG SAID PAIR OF PATHS OF MOVEMENT FOR CONTROLLING THE EXTENT TO WHICH THE YARNS ARE TENSIONED WHILE PASSING ALONG SAID HEATING MEANS, WHILE TRAVELLING THROUGH SAID PAIR OF FALSE TWIST MEANS, AND WHILE TRAVELLING TO SAID TAKE UP MEANS.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |