1976949

Information

• Patent Grant
• 1976949

• References
• Source

• Patent Number

  1,976,949

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1934
  90 years ago

• CPC

  • C03B5/20 - Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch
  • C03B5/425 - Preventing corrosion or erosion

• US Classifications

  • 432 - Heating