2176465

Information

• Patent Grant
• 2176465

• References
• Source

• Patent Number

  2,176,465

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1939
  85 years ago

• CPC

  • E05B19/22 - Keys with devices for indicating whether the last operation was locking or unlocking
  • Y10T70/7802 - Multi-part structures
  • Y10T70/8135 - With register

• US Classifications

  • 070 - Locks
  • 116 - Signals and indicators