3879721

Information

• Patent Grant
• 3879721

• References
• Source

• Patent Number

  3,879,721

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • E05B67/003 - Chain, wire or cable locks
  • E05B45/02 - with mechanically-operated bells
  • Y10T70/483 - Flexible shackle
  • Y10T70/827 - Attention-directing

• US Classifications

  • 070 - Locks
  • 116 - Signals and indicators
  • 340 - Communications: electrical