1821857

Information

• Patent Grant
• 1821857

• References
• Source

• Patent Number

  1,821,857

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1931
  93 years ago

• CPC

  • B65G51/22 - Arrangements for stopping the carriers en route in order to control carrier sequence Blocking or separating devices

• US Classifications

  • 406 - Conveyors: fluid current