138494

Information

• Patent Grant
• 138494

• References
• Source

• Patent Number

  138,494

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1873
  151 years ago

• CPC

  • B64C1/1407 - Doors; surrounding frames
  • Y10T292/0906 - Screw

• US Classifications

  • 292 - Closure fasteners