1563200

Information

• Patent Grant
• 1563200

• References
• Source

• Patent Number

  1,563,200

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1925
  99 years ago

• CPC

  • E21D1/16 - by petrification

• US Classifications

  • 406 - Conveyors: fluid current
  • 366 - Agitating