1822611

Information

• Patent Grant
• 1822611

• References
• Source

• Patent Number

  1,822,611

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1931
  93 years ago

• CPC

  • E05B35/12 - requiring the use of two keys
  • Y10S70/02 - Tumbler, lateral locking
  • Y10S70/49 - with alarm
  • Y10T70/7548 - Directly key engaged
  • Y10T70/7898 - Threaded

• US Classifications

  • 070 - Locks