2121445

Information

• Patent Grant
• 2121445

• References
• Source

• Patent Number

  2,121,445

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1938
  86 years ago

• CPC

  • E05B53/006 - of ball-train type
  • Y10T292/0836 - Operating means
  • Y10T292/0847 - Screw

• US Classifications

  • 292 - Closure fasteners