US3276937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making a limitedstretch bulked yarn
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1961-11-16
•
Granted: 1966-10-04
•
Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Charles W Kim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:19
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
APPARATUS FOR MAKING A LIMITED STRETCH, BULKED YARN FROM A MULTIFILAMENT YARN COMPOSED OF CRIMPED CONTINUOUS FILAMENTS WHICH COMPRISES A ROLL DISPOSED TO FEED SAID YARN THROUGH A BONDING STATION, PRESSURE MEANS ENGAGING THE YARN ON SAID ROLL AND ADAPTED TO CAUSE THE YARN TO BE FLATTENED AND SPACED OUT TRANSVERSELY IN SAID STATION, AND A HEATING ELEMENTS AT SAID BONDING STATION DISPOSED TO APPLY BONDING HEAT TO A NORROW LONGITUDINAL STRIPE ONLU, EXTENDING ALONG THE PATH OF SAID YARN ON SAID ROLL OF BONDING THE CRIMPED FILAMENTS AT POINTS OF CROSS
Claim 2
Dependent Claim
92 words
APPARATUS FOR MAKING A LIMITED STRETCH, BULKED YARN FROM A MULTIFILAMENT YARN COMPOSED OF CRIMPED CONTINUOUS FILAMENTS WHICH COMPRISES A ROLL DISPOSED TO FEED SAID YARN THROUGH A BONDING STATION, PRESSURE MEANS ENGAGING THE YARN ON SAID ROLL AND ADAPTED TO CAUSE THE YARN TO BE FLATTENED AND SPACED OUT TRANSVERSELY IN SAID STATION, AND A HEATING ELEMENTS AT SAID BONDING STATION DISPOSED TO APPLY BONDING HEAT TO A NORROW LONGITUDINAL STRIPE ONLU, EXTENDING ALONG THE PATH OF SAID YARN ON SAID ROLL OF BONDING THE CRIMPED FILAMENTS AT POINTS OF CROSS
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |