473445

Information

• Patent Grant
• 473445

• References
• Source

• Patent Number

  473,445

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1892
  132 years ago

• CPC

  • A23G3/50 - characterised by shape, structure or physical form
  • B61G3/14 - Control devices

• US Classifications

  • 213 - Railway draft appliances
  • 122 - Liquid heaters and vaporizers