1632393

Information

• Patent Grant
• 1632393

• References
• Source

• Patent Number

  1,632,393

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1927
  97 years ago

• CPC

  • G07F17/166 - for calendars

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 194 - Check-actuated control mechanisms