Target particularly for archery
US4235444A · kind A · utility
12Cited by
11References
8Claims
0Family size
Inventor
Key dates
| Filing date | Sep 11, 1978 |
| Grant date | Nov 25, 1980 |
| Priority date | — |
| Expiry date | Sep 11, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S273/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A target made of interchangeable sections each comprising a multiplicity of membranes or plies of penetrable, elastomeric or resistant, tear resistant sheet resin material, the membranes being separated by intervening layers of porous or low density, resilient material such as foam resin material. Membranes are disclosed having opposite surfaces with different coefficients of friction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.