1521933

Information

• Patent Grant
• 1521933

• References
• Source

• Patent Number

  1,521,933

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1925
  100 years ago

• CPC

  • E04B1/383 - Connection of concrete parts using adhesive materials
  • E04B1/38 - Connections for building structures in general
  • E04B1/6125 - with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
  • E04B1/6179 - with protrusions and recesses on each frontal surface
  • Y10T403/47 - Molded joint

• US Classifications

  • 403 - Joints and connections
  • 296 - Land vehicles: bodies and tops