507725

Information

• Patent Grant
• 507725

• References
• Source

• Patent Number

  507,725

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1893
  131 years ago

• CPC

  • A47G27/0287 - Stair runners; Carpets for stairs
  • A47G27/06 - Stair rods Stair-rod fasteners; Laying carpeting on stairs

• US Classifications

  • 052 - Static structures