US2512951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercerization
Assignee: Dixie Mercerizing Co
•
Filing: 1947-06-16
•
Granted: 1950-06-27
•
Expires: 1967-06-16
Abstract
No abstract record available.
Inventors
- 👤 William F Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:23
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/38; D06M11/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE PROCESS OF MERCERIZING SINGLE PLY COTTON YARNS THAT COMPRISES INITIALLY FORMING A YARN PACKAGE BY WINDING ON A PERFORATE TUBULAR SUPPORT SUCCEEDING LENGTHS OF A YARN IN SUPERIMPOSED COURSES WHILE PROGRESSIVELY INCREASING THE WINDING TENSION DURING THE WINDING PERIOD AND THEREAFTER SUBJECTING THE SUPPORTED PACKAGE TO A CAUSTIC SODA SOLUTION OF CONCENTRATION ABOUT 26--35* TW.
Claim 2
Dependent Claim
56 words
THE PROCESS OF MERCERIZING SINGLE PLY COTTON YARNS THAT COMPRISES INITIALLY FORMING A YARN PACKAGE BY WINDING ON A PERFORATE TUBULAR SUPPORT SUCCEEDING LENGTHS OF A YARN IN SUPERIMPOSED COURSES WHILE PROGRESSIVELY INCREASING THE WINDING TENSION DURING THE WINDING PERIOD AND THEREAFTER SUBJECTING THE SUPPORTED PACKAGE TO A CAUSTIC SODA SOLUTION OF CONCENTRATION ABOUT 26--35* TW.
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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) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |