3668909

Information

• Patent Grant
• 3668909

• References
• Source

• Patent Number

  3,668,909

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  53 years ago

• CPC

  • E05B19/18 - Keys adjustable before use
  • Y10T29/53457 - Tumbler lock
  • Y10T70/7802 - Multi-part structures
  • Y10T70/7825 - With pivoted or swinging bit portion
  • Y10T70/7876 - Bow or head
  • Y10T70/7893 - Permutation

• US Classifications

  • 070 - Locks
  • 029 - Metal working
  • 340 - Communications: electrical