US3097471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
foster
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
•
Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:37
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/36; D02G3/32; D02G3/328
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
168 words
A METHOD FOR COVERING A CORE THREAD WITH A COVER YARN IN APPARATUS HAVING MEANS FOR GUIDING THE CORE THREAD FROM A CORE SUPPLY TO MEANS FOR DISPOSING COVERED THREAD ON A ROTATABLE SPOOL ADAPTED TO IMPART TWIST TO CORE THREAD AND COVER YARN, THIS METHOD COMPRISING PASSING CORE THREAD FROM SAID SUPPLY MEANS TO SAID DISPOSING MEANS, DELIVERING COVER YARN TO SAID CORE THREAD IN A DELIVERY ZONE BETWEEN SAID CORE THREAD GUIDING MEANS AND SAID MEANS FOR DISPOSING COVERED THREAD ON SAID SPOOL, LIMITING THE MOVEMENT AT SAID DELIVERY ZONE OF SAID COVER YARN AND SAID CORE THREAD IN A DIRECTION PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID CORE THREAD TO MAINTAIN SAID COVER YARN IN CLOSE PROXIMITY WITH SAID CORE THREAD AT SAID DELIVERY ZONE AND TO PERMIT SAID CORE THREAD TO GENERATE A BOLLOON BETWEEN SAID GUIDE MEANS AND SAID DELVIERY ZONE AND SAID COVERED THREAD TO GENERATE A BOLLOON BETWEEN SAID DELIVERY ZONE AND SAID MEANS FOR DISPOSING COVERED THREAD ON SAID SPOOL.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |