2019557

Information

• Patent Grant
• 2019557

• References
• Source

• Patent Number

  2,019,557

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • B65G11/04 - for mail in buildings

• US Classifications

  • 193 - Conveyors, chutes, skids, guides, and ways