Patent US3276937A successfully refreshed from Google Patents.
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 19:59
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
References Cited (Backward Citations)
US1877488A
Cited
US2089898A
Cited
US2374540A
Cited
US2675053A
Cited
US2840882A
Cited
US2803577A
Cited
US2912742A
Cited
US3043733A
Cited
US3148102A
Cited
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 |