1979497

Information

• Patent Grant
• 1979497

• References
• Source

• Patent Number

  1,979,497

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1934
  90 years ago

• CPC

  • E05B65/0071 - for revolving doors
  • Y10T70/7062 - Electrical type [e.g., solenoid]
  • Y10T70/7113 - Projected and retracted electrically

• US Classifications

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