490505

Information

• Patent Grant
• 490505

• References
• Source

• Patent Number

  490,505

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1893
  132 years ago

• CPC

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

• US Classifications

  • 165 - Heat exchange
  • 366 - Agitating