175978

Information

• Patent Grant
• 175978

• References
• Source

• Patent Number

  175,978

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1876
  148 years ago

• CPC

  • B64C1/1407 - Doors; surrounding frames
  • Y10S292/20 - Window fasteners
  • Y10T292/0906 - Screw

• US Classifications

  • 292 - Closure fasteners