Chalk holder
US10518573B2 · kind B2 · utility
0Cited by
9References
12Claims
0Family size
Inventor
Key dates
| Filing date | Jun 4, 2018 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Jun 4, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K23/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A chalk holder for children's games. To be used in combination with the tine portions of garden rakes to apply uniform pressure and to create evenly spaced lines when drawing on sidewalks, pavements, or other surfaces. Evenly spaced lines to be used to define the borders for games like hop scotch or to define lanes for foot races.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.