Cue tip chalk retention system
US4867446A · kind A · utility
0Cited by
15References
17Claims
0Family size
Inventor
Key dates
| Filing date | Nov 17, 1988 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Nov 17, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63D15/14
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cue tip chalk retention system wherein openings are formed on cue tip surfaces and chalk is rubbed into the openings. The openings are formed with a penetrating device comprising a housing with a cavity containing multiple outwardly extending pin members. The pin members have a base portion secured to the cavity lower region and a free end portion located in the cavity upper region. The free end portion includes an exposed pointed end which is used to cleanly penetrate the cue tip surfaces and form the desired chalk retention openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.