Tennis ball having a thermoplastic core
US11426637B2 · kind B2 · utility
0Cited by
62References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2020 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Feb 11, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2220/833
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A tennis ball including a spherical core. The spherical core including an outer surface and a raised wall integrally molded as part of the outer surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.