1350853

Information

• Patent Grant
• 1350853

• References
• Source

• Patent Number

  1,350,853

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1920
  104 years ago

• CPC

  • F21H3/00 - Manufacturing incandescent mantles Treatment prior to use

• US Classifications

  • 431 - Combustion