2789426

Information

• Patent Grant
• 2789426

• References
• Source

• Patent Number

  2,789,426

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1957
  67 years ago

• CPC

  • E05B47/0009 - with thermo-electric actuators
  • Y10T70/7006 - Predetermined time interval controlled
  • Y10T70/7028 - Electric
  • Y10T70/7034 - Clockwork control
  • Y10T292/1002 - Spring-arm catch
  • Y10T292/1062 - Spring retracted
  • Y10T292/1091 - Spring-arm catch

• US Classifications

  • 070 - Locks
  • 109 - Safes, bank protection, or a related device
  • 292 - Closure fasteners