US2737701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making elastic fabrics
Assignee: Uniroyal Inc
•
Filing: 1951-06-28
•
Granted: 1956-03-13
•
Expires: 1971-06-28
Abstract
No abstract record available.
Inventors
- 👤 Barton D Hubbard
- 👤 Dereniuk Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:29
CPC Classifications
D; D06; D06C; D06C21/00; D06C27/00; D06C3/00; D06C3/02; D06C7/00; D06C7/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
THE METHOD OF MAKING AN ELASTIC FABRIC WHICH COMPRISES, WEAVING A FABRIC OF TEXTILE YARNS HAVING A SMALL PERCENT OF HEAT-SHRINKABLE FILAMENTS SUFFICIENT TO SHRINK THE FABRIC A SUBSTANTIAL AMOUNT IN THE FABRIC IN THE DIRECTION IT IS TO STRETCH AND WHICH WILL SHRINK A SUBSTANTIAL AMOUNT IF FREE OF TENSION WHEN HEATED, HEATING THE FABRIC TO THE FILAMENT SHRINKAGE TEMPERATURE TO CONTRACT THE FABRIC AND HOLD IT CONTRACTED, COATING THE CONTRACTED FABRIC WITH RUBBER, CURING THE RUBBER, AND THEN BREAKING SAID FILAMENTS INTO SUFFICIENTLY SHORT LENGTHS TO RELEASE THE CONTRACTED FABRIC BY HEATING THE FABRIC TO THE FILAMENT SHRINKING TEMPERATURE AND WHILE AT THIS TEMPERATURE STRETCHING THE FABRIC TO CAUSE THE HEATED AND STRETCHED FILAMENTS TO BREAK UNDER THE COMBINED ACTION OF THE HEAT AND TENSION.
Claim 2
Independent Claim
127 words
THE METHOD OF MAKING AN ELASTIC FABRIC WHICH COMPRISES, WEAVING A FABRIC OF TEXTILE YARNS HAVING A SMALL PERCENT OF HEAT-SHRINKABLE FILAMENTS SUFFICIENT TO SHRINK THE FABRIC A SUBSTANTIAL AMOUNT IN THE FABRIC IN THE DIRECTION IT IS TO STRETCH AND WHICH WILL SHRINK A SUBSTANTIAL AMOUNT IF FREE OF TENSION WHEN HEATED, HEATING THE FABRIC TO THE FILAMENT SHRINKAGE TEMPERATURE TO CONTRACT THE FABRIC AND HOLD IT CONTRACTED, COATING THE CONTRACTED FABRIC WITH RUBBER, CURING THE RUBBER, AND THEN BREAKING SAID FILAMENTS INTO SUFFICIENTLY SHORT LENGTHS TO RELEASE THE CONTRACTED FABRIC BY HEATING THE FABRIC TO THE FILAMENT SHRINKING TEMPERATURE AND WHILE AT THIS TEMPERATURE STRETCHING THE FABRIC TO CAUSE THE HEATED AND STRETCHED FILAMENTS TO BREAK UNDER THE COMBINED ACTION OF THE HEAT AND TENSION.
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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) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |