1439566

Information

• Patent Grant
• 1439566

• References
• Source

• Patent Number

  1,439,566

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1922
  102 years ago

• CPC

  • E05C7/002 - for sluice doors
  • E05B41/00 - Locks with visible indication as to whether the lock is locked or unlocked
  • Y10T70/60 - Systems

• US Classifications

  • 070 - Locks
  • 232 - Deposit and collection receptacles