2269646

Information

• Patent Grant
• 2269646

• References
• Source

• Patent Number

  2,269,646

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1942
  83 years ago

• CPC

  • E02D5/806 - involving use of explosives

• US Classifications

  • 072 - Metal deforming
  • 052 - Static structures
  • 089 - Ordnance
  • 114 - Ships
  • 175 - Boring or penetrating the earth
  • 405 - Hydraulic and earth engineering
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener