Positioning marker
US10939977B2 · kind B2 · utility
32Cited by
64References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2018 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Mar 17, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/502
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A positioning marker, consisting of a base having a retroreflective surface. The marker also has a cover, which is fitted over and fastened to the base and has a plurality of openings through which the retroreflective surface is visible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.