1388877

Information

• Patent Grant
• 1388877

• References
• Source

• Patent Number

  1,388,877

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1921
  103 years ago

• CPC

  • B27K3/0257 - using rods or tablets, or ampoules
  • B27K3/46 - Coal tar

• US Classifications

  • 427 - Coating processes
  • 238 - Railways: surface track
  • 405 - Hydraulic and earth engineering