2520031

Information

• Patent Grant
• 2520031

• References
• Source

• Patent Number

  2,520,031

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1950
  74 years ago

• CPC

  • A63B71/06 - Indicating or scoring devices for games or players, or for other sports activities
  • A63B2243/007 - American football
  • Y10T477/373 - Electrically actuated brake

• US Classifications

  • 033 - Geometrical instruments
  • 477 - Interrelated power delivery controls, including engine control