Gun barrel of firearms
US8372219B2 · kind B2 · utility
1Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2011 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | May 5, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D1/773
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Gun barrel for firearms made from a deformed material and method for producing the gun barrel material. The material has a chemical composition in % by weight of:and impurities due to smelting. The material has a hardness of at least 46 to 48 HRC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.