2139989

Information

• Patent Grant
• 2139989

• References
• Source

• Patent Number

  2,139,989

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • F24C15/162 - Co-operating with a door
  • Y10T16/367 - Link and lever

• US Classifications

  • 126 - Stoves and furnaces
  • 016 - Miscellaneous hardware