Needle with rounded edge
US11020108B2 · kind B2 · utility
0Cited by
21References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2020 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Feb 14, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26D2001/0053
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A chemically etched needle is provided herein. The chemically etched needle includes a metal base having a first side and a second side. The chemically etched needle also includes a chemically etched blade at one end of the metal base and formed at an intersection of a distal diverging surface and a proximal diverging surface, at least one of the diverging surfaces slopes inward towards the second side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.