3893721

Information

• Patent Grant
• 3893721

• References
• Source

• Patent Number

  3,893,721

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • E05B65/0014 - to prevent opening by children
  • A47B2067/025 - having safety means
  • Y10S292/37 - Push button operators
  • Y10S292/65 - Emergency or safety
  • Y10T70/7169 - Complex movement or puzzle type
  • Y10T292/0832 - Push or pull rod
  • Y10T292/0933 - Push or pull rod
  • Y10T292/0959 - Swinging catch

• US Classifications

  • 292 - Closure fasteners
  • 070 - Locks