US3243948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn winding method and packet produced thereby
Assignee: Dow Chemical Co
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Filing: 1963-06-24
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Granted: 1966-04-05
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Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 George L Flanigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:08
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/10; B65H55/00; B65H55/04; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/37
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
A METHOD OF WINDING FLAT YARN INTO A PACKET COMPRISING WINDING THE YAR ON A PACKET CORE IN CONCENTRIC STRATA OF CONSTANTLY VARYING TRAVERSE LENGTHS, SPACING THE TURNS IN EACH STRATA ONE FROM ANOTHER, AND IMPARTING A 360* TWIST TO SAID YARN IN EVERY TURN THEREOF, SAID TWIST BEING IMPARTED IN A DIRECTION OPPOSITE TO THE DIRECTION OF WINDING.
Claim 2
Independent Claim
59 words
A METHOD OF WINDING FLAT YARN INTO A PACKET COMPRISING WINDING THE YAR ON A PACKET CORE IN CONCENTRIC STRATA OF CONSTANTLY VARYING TRAVERSE LENGTHS, SPACING THE TURNS IN EACH STRATA ONE FROM ANOTHER, AND IMPARTING A 360* TWIST TO SAID YARN IN EVERY TURN THEREOF, SAID TWIST BEING IMPARTED IN A DIRECTION OPPOSITE TO THE DIRECTION OF WINDING.
Claim 3
Dependent Claim
44 words
A SOFT WOULD PACKET WOULND FROM FLAT YARN, SAID PACKET HAVING CONCENTRIC LAYERS WITH SPACED TURNS IN EACH LAYER, A 360* TWIST IN EACH TURN, SAID TWISIT BEING IN A DIRECTION OPPOSITE TO THE DIRECTION OF WINDING, AND SAID LAYERS HAVING CONSTANTLY VARYING LENGTHS.
Claim 4
Dependent Claim
44 words
A SOFT WOULD PACKET WOULND FROM FLAT YARN, SAID PACKET HAVING CONCENTRIC LAYERS WITH SPACED TURNS IN EACH LAYER, A 360* TWIST IN EACH TURN, SAID TWISIT BEING IN A DIRECTION OPPOSITE TO THE DIRECTION OF WINDING, AND SAID LAYERS HAVING CONSTANTLY VARYING LENGTHS.
References Cited (Backward Citations)
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |