US3087685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn winding machinery
Assignee: Acordis UK Ltd
•
Filing: 1956-03-29
•
Granted: 1963-04-30
•
Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Pool William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:07
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/40; B65H54/46; B65H54/50; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A TRAVERSE DRUM FOR USE IN A YARN-WINDING MACHINE SAID DRUM BEING FORMED WITH A GROOVE PASSING ONCE AROUND SAID DRUM WHILE EXTENDING FROM ONE END OF SAID DRUM TOWARDS THE OTHER END AND BACK, THE GAP BETWEEN THE LEADING AND TRAILING EDGES OF SAID GROOVE BEING WIDE AT THE MIDDLE OF ITS LENGTH ALONG THE AXIS OF SAID DRUM AND TAPERING TO A NARROW GAP TOWARDS EACH END OF SAID DRUM, THE TRAILING EDGE HAVING A VARYING HELIX ANGLE AND THE LEADING EDGE A MORE NEARLY UNIFORM HELIX ANGLE.
Claim 2
Dependent Claim
90 words
A TRAVERSE DRUM FOR USE IN A YARN-WINDING MACHINE SAID DRUM BEING FORMED WITH A GROOVE PASSING ONCE AROUND SAID DRUM WHILE EXTENDING FROM ONE END OF SAID DRUM TOWARDS THE OTHER END AND BACK, THE GAP BETWEEN THE LEADING AND TRAILING EDGES OF SAID GROOVE BEING WIDE AT THE MIDDLE OF ITS LENGTH ALONG THE AXIS OF SAID DRUM AND TAPERING TO A NARROW GAP TOWARDS EACH END OF SAID DRUM, THE TRAILING EDGE HAVING A VARYING HELIX ANGLE AND THE LEADING EDGE A MORE NEARLY UNIFORM HELIX ANGLE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |