Ball for a ball game
US6302815A · kind A · utility
106Cited by
3References
21Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 11, 1999 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | May 11, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2243/0033
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A ball for a ball game includes a bladder made of a spherical elastic air-impermeable material in a hollow spherical shape and filled with air; a spherical flexible shape-maintaining frame body containing the bladder and having openings; and skin panels in a surface skin layer and having edges contacting one another on the frame body, wherein at least the edges of the skin panels are adhered to the frame body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.