Patent · US Active

Gun barrel of firearms

US8372219B2 · kind B2 · utility

1Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 2011
Grant dateFeb 12, 2013
Priority date
Expiry dateMay 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.