2544305

Information

• Patent Grant
• 2544305

• References
• Source

• Patent Number

  2,544,305

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1951
  74 years ago

• CPC

  • E05B35/12 - requiring the use of two keys
  • Y10S70/60 - Opposed cylinders
  • Y10T70/675 - Serially operable
  • Y10T70/7446 - Multiple keys
  • Y10T70/7565 - Plural tumbler sets

• US Classifications

  • 070 - Locks