971511

Information

• Patent Grant
• 971511

• References
• Source

• Patent Number

  971,511

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1910
  114 years ago

• CPC

  • A47G27/0431 - Reinforcement or stiffening devices
  • Y10T16/14 - Carpet stiffener or anti-slip device, per se
  • Y10T428/21 - Circular sheet or circular blank

• US Classifications

  • 016 - Miscellaneous hardware
  • 428 - Stock material or miscellaneous articles