1798868

Information

• Patent Grant
• 1798868

• References
• Source

• Patent Number

  1,798,868

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1931
  94 years ago

• CPC

  • B65G11/04 - for mail in buildings

• US Classifications

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