US3147528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable fastener element
Assignee: Velcro SA
•
Filing: 1961-11-14
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Granted: 1964-09-08
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Expires: 1981-11-14
Abstract
No abstract record available.
Inventors
- 👤 George H Erb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:15
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14778; A; A44; A44B; A44B18/00; A44B18/0046; A44B18/0049; B29C33/00; B29C39/00; B29C39/22; B29C39/26; B29C39/34; B29K; B29K2713/00; B29L; B29L2031/00; B29L2031/727; B29L2031/729; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2792; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A SEPARABLE FASTENER ELEMENT COMPRISING A FLEXIBLE BASE SHEET AND A PLURALITY OF CLOSELY SPACED FLEXIBLE PILELIKE PROTURBERANCES DISTRIBUTED OVER AT LEAST A SUBSTANTIAL PORTION OF THE AREA OF A SURFACE OF SAID BASE SHEET, SAID PROTURBERANCES INCLUDING PORTIONS EXTENDING GENERALLY PERPENDICULARLY FROM SAID SURFACE OF SAID BASE SHEET AND INCLUDING PORTIONS EXTENDING LATERALLY OF SAID FIRST-NAMED PORTIONS, SAID BASE SHEEET COMPRISING A SHEET OF POROUS FABRIC WOVEN FROM FUZZY YARNS HAVING A VERY LARGE NUMBER OF CLOSELY SPACED OPENINGS BETWEEN THE YARNS THEREOF EXTENDING THROUGH SAID FABRIC IN DIRECTIONS GENERALLY PERPENDICULAR TO THE PLANE THEREOF, AND SAID FABRIC BEING IMPREGNATED WITH A STRONG FLEXIBLE PLASTIC MATERIAL WHICH EXTENDS THROUGH THE OPENINGS IN SAID FABRIC TO FORM SAID PROTURBERANCES AS INTEGRAL CONTINUATIONS OF THE PLASTIC MATERIAL EXTENDING THROUGH THE OPENINGS IN SAID FABRIC, AND EACH OF SAID PROTUBERANCES HAVING FIBERS EXTENDING THEREINTO FROM SAID FUZZY YARNS.
Claim 2
Dependent Claim
146 words
A SEPARABLE FASTENER ELEMENT COMPRISING A FLEXIBLE BASE SHEET AND A PLURALITY OF CLOSELY SPACED FLEXIBLE PILELIKE PROTURBERANCES DISTRIBUTED OVER AT LEAST A SUBSTANTIAL PORTION OF THE AREA OF A SURFACE OF SAID BASE SHEET, SAID PROTURBERANCES INCLUDING PORTIONS EXTENDING GENERALLY PERPENDICULARLY FROM SAID SURFACE OF SAID BASE SHEET AND INCLUDING PORTIONS EXTENDING LATERALLY OF SAID FIRST-NAMED PORTIONS, SAID BASE SHEEET COMPRISING A SHEET OF POROUS FABRIC WOVEN FROM FUZZY YARNS HAVING A VERY LARGE NUMBER OF CLOSELY SPACED OPENINGS BETWEEN THE YARNS THEREOF EXTENDING THROUGH SAID FABRIC IN DIRECTIONS GENERALLY PERPENDICULAR TO THE PLANE THEREOF, AND SAID FABRIC BEING IMPREGNATED WITH A STRONG FLEXIBLE PLASTIC MATERIAL WHICH EXTENDS THROUGH THE OPENINGS IN SAID FABRIC TO FORM SAID PROTURBERANCES AS INTEGRAL CONTINUATIONS OF THE PLASTIC MATERIAL EXTENDING THROUGH THE OPENINGS IN SAID FABRIC, AND EACH OF SAID PROTUBERANCES HAVING FIBERS EXTENDING THEREINTO FROM SAID FUZZY YARNS.
References Cited (Backward Citations)
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Cited
US1959319A
Cited
US2470963A
Cited
US2499898A
Cited
DE901041C
Cited
FR1064360A
Cited
US2909822A
Cited
US2891347A
Cited
US3031730A
Cited
FR1232367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |