3823910

Information

• Patent Grant
• 3823910

• References
• Source

• Patent Number

  3,823,910

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1974
  50 years ago

• CPC

  • B28B7/225 - for making stairs or stair units comprising more than one step

• US Classifications

  • 249 - Static molds