1409984

Information

• Patent Grant
• 1409984

• References
• Source

• Patent Number

  1,409,984

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1922
  103 years ago

• CPC

  • E04B5/44 - Floors composed of stones, mortar, and reinforcing elements
  • Y10T74/19084 - Spur

• US Classifications

  • 052 - Static structures
  • 074 - Machine element or mechanism