Paint ball
US5639526A · kind A · utility
51Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1993 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Oct 14, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A paint ball including a paint ball shell and an axis extending through the shell to define first and second poles. The paint ball shell fractures in a predetermined pattern upon the receipt of a fracturing force to form fracture lines from the point of impact circumferentially toward the first pole and from the point of impact circumferentially toward the second pole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.