401480

Information

• Patent Grant
• 401480

• References
• Source

• Patent Number

  401,480

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1889
  136 years ago

• CPC

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

• US Classifications

  • 165 - Heat exchange