Hollow bat and method of making
US4248425A · kind A · utility
6Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1979 |
| Grant date | Feb 3, 1981 |
| Priority date | — |
| Expiry date | Apr 16, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4994
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A hollow metal ball bat having a hollow end knob encompassing an enlarged section of a hollow handle portion. The opening of the end knob is smaller than the contained enlarged handle portion, and fits over the smaller cross-section of the handle portion adjacent the enlarged portion. A ring of resilient material is held between the end knob and the enlarged handle portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.