Billiards utilizing similar and dissimilar balls
US5042803A · kind A · utility
4Cited by
15References
7Claims
0Family size
Inventors
Key dates
| Filing date | Nov 28, 1988 |
| Grant date | Aug 27, 1991 |
| Priority date | — |
| Expiry date | Nov 28, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2243/002
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The invention reside in a plurality of spherically balanced billiard balls whereby the balls are divided into two equal sets of balls, each set of balls being identical in mass distribution, and each ball of each set has a mass dissimilar from the mass of any other ball of the respective set. Each set of balls further has one ball with a mass equal to the median mass of the respective set. The plurality of balls further has another ball which has a mass equal to the median mass ball of said two sets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.