3026640

Information

• Patent Grant
• 3026640

• References
• Source

• Patent Number

  3,026,640

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1962
  62 years ago

• CPC

  • A63F9/0613 - Puzzles or games based on the use of optical filters or elements
  • A63F9/0252 - Shooting devices therefor
  • A63F2009/0636 - Telescopes
  • A63F2250/027 - generating a sound without electric means

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 353 - Optics: image projectors
  • 446 - Amusement devices: toys