Element and slide fastener
US11324290B2 · kind B2 · utility
1Cited by
15References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2018 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Aug 6, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA44B19/403
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An element includes a head having an engaging convex portion protruding from one surface thereof and an engaging concave portion formed on the back of the engaging convex portion on the other surface; and a pair of leg portions extending from the head. A protrusion is formed on a side of the engaging concave portion close to the leg portions to protrude inward of the engaging concave portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.