US3287892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of elastic stretch yarns
Assignee: Deering Milliken Research Corp
•
Filing: 1963-10-23
•
Granted: 1966-11-29
•
Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Rapoza David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:21
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/32; D02G3/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AS AN ARTICLE OF MANUFACTURE, A COMPOSITE YARN SUITABLE FOR KNITTING, WEAVING OR FOR OTHERWISE BEING MADE INTO FABRIC COMPRISING A SUBSTANTIALLY NON-ELASTIC TEXTILE STAPLE FIBROUS MATERIAL WHICH IS SPUN ABOUT AND SUBSTANTIALLY HELICALLY COVERS A CORE CONSISTING ESSENTIALLY OF A CONTINUOUS STAND OF A FLEXIBLE CELLULAR PLASTIC FOAM HAVING FROM ABOUT 60 TO ABOUT 95 CELLS PER LINER INCH AND A SPECIFIC GRAVITY RANGING FROM ABOUT 1 TO ABOUT 3.
Claim 2
Dependent Claim
71 words
AS AN ARTICLE OF MANUFACTURE, A COMPOSITE YARN SUITABLE FOR KNITTING, WEAVING OR FOR OTHERWISE BEING MADE INTO FABRIC COMPRISING A SUBSTANTIALLY NON-ELASTIC TEXTILE STAPLE FIBROUS MATERIAL WHICH IS SPUN ABOUT AND SUBSTANTIALLY HELICALLY COVERS A CORE CONSISTING ESSENTIALLY OF A CONTINUOUS STAND OF A FLEXIBLE CELLULAR PLASTIC FOAM HAVING FROM ABOUT 60 TO ABOUT 95 CELLS PER LINER INCH AND A SPECIFIC GRAVITY RANGING FROM ABOUT 1 TO ABOUT 3.
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |