1921933

Information

• Patent Grant
• 1921933

• References
• Source

• Patent Number

  1,921,933

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1933
  91 years ago

• CPC

  • A24F19/04 - with depressible false floor

• US Classifications

  • 232 - Deposit and collection receptacles
  • 220 - Receptacles