US2736506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traverse-roll
Assignee: EIDP Inc
•
Filing: 1953-02-02
•
Granted: 1956-02-28
•
Expires: 1973-02-02
Abstract
No abstract record available.
Inventors
- 👤 Selby Donald William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:09
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
64 words
IN A GROOVED ROLL FOR TRAVERSING YARN, AN OUTER SHELL CONCENTRIC WITH AN INNER SURFACE FOR SUPPORTING THE TRAVERSING YARN, SAID OUTER SHELL HAVING AN ENDLESS SLOT THROUGH ITS SURFACE, WHICH SLOT COMPRISES AT LEAST TWO REVERSAL SECTIONS AND HELICAL SECTIONS BETWEEN SAID REVERSAL SECTION; AND A THREAD GUIDE AT EACH REVERSAL SECTION EXTENDING RADIALLY FROM THE INNER SURFACE SUBSTANTIALLY TO THE OUTER SHELL.
Claim 2
Dependent Claim
64 words
IN A GROOVED ROLL FOR TRAVERSING YARN, AN OUTER SHELL CONCENTRIC WITH AN INNER SURFACE FOR SUPPORTING THE TRAVERSING YARN, SAID OUTER SHELL HAVING AN ENDLESS SLOT THROUGH ITS SURFACE, WHICH SLOT COMPRISES AT LEAST TWO REVERSAL SECTIONS AND HELICAL SECTIONS BETWEEN SAID REVERSAL SECTION; AND A THREAD GUIDE AT EACH REVERSAL SECTION EXTENDING RADIALLY FROM THE INNER SURFACE SUBSTANTIALLY TO THE OUTER SHELL.
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |