1988851

Information

• Patent Grant
• 1988851

• References
• Source

• Patent Number

  1,988,851

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1935
  90 years ago

• CPC

  • B61L9/02 - non-electric
  • F21L19/00 - Lanterns

• US Classifications

  • 431 - Combustion