2221157

Information

• Patent Grant
• 2221157

• References
• Source

• Patent Number

  2,221,157

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  84 years ago

• CPC

  • B21J15/185 - by explosion pressure
  • B21J15/50 - Removing or cutting devices for rivets
  • Y10S30/04 - Explosive
  • Y10T83/8863 - Explosive fluid

• US Classifications

  • 030 - Cutlery
  • 083 - Cutting
  • 089 - Ordnance
  • 123 - Internal-combustion engines
  • 227 - Elongated-member-driving apparatus