3134146

Information

• Patent Grant
• 3134146

• References
• Source

• Patent Number

  3,134,146

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1964
  60 years ago

• CPC

  • A47G29/1245 - Letter flap blocking devices

• US Classifications

  • 049 - Movable or removable closures
  • 232 - Deposit and collection receptacles