3903721

Information

• Patent Grant
• 3903721

• References
• Source

• Patent Number

  3,903,721

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • E05B17/14 - Closures or guards for keyholes
  • Y10T70/7842 - Single shank or stem
  • Y10T70/7876 - Bow or head
  • Y10T70/7955 - Keyhole guards

• US Classifications

  • 070 - Locks