1380989

Information

• Patent Grant
• 1380989

• References
• Source

• Patent Number

  1,380,989

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1921
  103 years ago

• CPC

  • A47G27/0431 - Reinforcement or stiffening devices
  • Y10T16/14 - Carpet stiffener or anti-slip device, per se

• US Classifications

  • 016 - Miscellaneous hardware