2232606

Information

• Patent Grant
• 2232606

• References
• Source

• Patent Number

  2,232,606

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1941
  83 years ago

• CPC

  • B65G19/165 - the impellers being endless helical springs

• US Classifications

  • 198 - Conveyors: power-driven