3643609

Information

• Patent Grant
• 3643609

• References
• Source

• Patent Number

  3,643,609

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • A45C13/24 - Devices for sound-producing, piercing, gas-discharging, or the like
  • E05G1/005 - Portable strong boxes
  • E05G1/10 - with alarm, signal or indicator
  • E05G1/14 - with means for masking or destroying the valuables
  • E05G2700/02 - Strong boxes, wall safes

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems