1770620

Information

• Patent Grant
• 1770620

• References
• Source

• Patent Number

  1,770,620

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1930
  94 years ago

• CPC

  • F42B33/14 - Surface treatment of cartridges or cartridge cases
  • Y10S118/12 - Pipe and tube immersion

• US Classifications

  • 118 - Coating apparatus
  • 034 - Drying and gas or vapor contact with solids
  • 086 - Ammunition and explosive-charge making
  • 198 - Conveyors: power-driven