US2938256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making bulked yarn
Assignee: Akzo Nobel UK PLC
•
Filing: 1957-03-06
•
Granted: 1960-05-31
•
Expires: 1977-03-06
Abstract
No abstract record available.
Inventors
- 👤 Ernest K Bauer
- 👤 Wendell D Shumaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR MAKING BULKY CONTINUOUS FILAMENT YARN FROM A YARN OF CONTINUOUS SUBSTANTIALLY STRAIGHT FILAMENTS INCLUDING THE STEPS OF DELIVERING THE YARN OF FILAMENTS THROUGH A FIRST CONFINED PATH AND INTO A SECOND CONFINED PATH INTERCONNECTED THEREWITH, THE AXES OF SAID FIRST AND SECOND CONFINED PATHS BEING IN LATERALLY OFFSET RELATIONSHIP WHEREBY THE YARN OF FILAMENTS IS CAUSED TO ALTER ITS COURSE OF TRAVEL AS IT PASSES FROM SAID FIRST CON-
Claim 2
Dependent Claim
72 words
A PROCESS FOR MAKING BULKY CONTINUOUS FILAMENT YARN FROM A YARN OF CONTINUOUS SUBSTANTIALLY STRAIGHT FILAMENTS INCLUDING THE STEPS OF DELIVERING THE YARN OF FILAMENTS THROUGH A FIRST CONFINED PATH AND INTO A SECOND CONFINED PATH INTERCONNECTED THEREWITH, THE AXES OF SAID FIRST AND SECOND CONFINED PATHS BEING IN LATERALLY OFFSET RELATIONSHIP WHEREBY THE YARN OF FILAMENTS IS CAUSED TO ALTER ITS COURSE OF TRAVEL AS IT PASSES FROM SAID FIRST CON-
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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) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |