3680524

Information

• Patent Grant
• 3680524

• References
• Source

• Patent Number

  3,680,524

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • A47G29/121 - Signalling devices
  • Y10T292/0884 - Roller

• US Classifications

  • 232 - Deposit and collection receptacles
  • 292 - Closure fasteners