1630900

Information

• Patent Grant
• 1630900

• References
• Source

• Patent Number

  1,630,900

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1927
  97 years ago

• CPC

  • F41J5/041 - Targets comprising two sets of electric contacts forming a coordinate system grid

• US Classifications

  • 341 - Coded data generation or conversion
  • 273 - Amusement devices: games