1989411

Information

• Patent Grant
• 1989411

• References
• Source

• Patent Number

  1,989,411

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1935
  90 years ago

• CPC

  • A63F9/0807 - requiring vacant positions or gap migration
  • A63F2003/00848 - Barriers, obstacles or obstructions

• US Classifications

  • 273 - Amusement devices: games