922898

Information

• Patent Grant
• 922898

• References
• Source

• Patent Number

  922,898

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1909
  116 years ago

• CPC

  • B29C33/68 - Release sheets
  • C21D9/573 - with cooling
  • Y10S165/229 - Screw conveyor in pipe or tank

• US Classifications

  • 165 - Heat exchange
  • 198 - Conveyors: power-driven