1692653

Information

• Patent Grant
• 1692653

• References
• Source

• Patent Number

  1,692,653

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1928
  96 years ago

• CPC

  • A47G29/1201 - Letter-box assemblies for apartment buildings
  • Y10S40/907 - Out-to-lunch

• US Classifications

  • 040 - Card, picture, or sign exhibiting