1427551

Information

• Patent Grant
• 1427551

• References
• Source

• Patent Number

  1,427,551

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1922
  103 years ago

• CPC

  • E05B45/04 - with detonating alarm devices
  • Y10T70/7305 - Manually operable
  • Y10T70/7401 - Spindles
  • Y10T70/7915 - Tampering prevention or attack defeating

• US Classifications

  • 070 - Locks