1891335

Information

• Patent Grant
• 1891335

• References
• Source

• Patent Number

  1,891,335

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  92 years ago

• CPC

  • G07C7/00 - Details or accessories common to the registering or indicating apparatus of groups G07C3/00 and G07C5/00
  • Y10S40/907 - Out-to-lunch

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators