3804420

Information

• Patent Grant
• 3804420

• References
• Source

• Patent Number

  3,804,420

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • A63B69/0059 - worn by the user
  • A63B69/3623 - for driving
  • A63B21/023 - Wound springs
  • A63B21/153 - wound-up and unwound during exercise
  • A63B21/4009 - to the waist
  • A63B21/4019 - to the hand
  • A63B21/4025 - Resistance devices worn on the user’s body
  • A63B2225/09 - Adjustable dimensions
  • Y10S273/21 - Reel

• US Classifications

  • 473 - Games using tangible projectile
  • 033 - Geometrical instruments
  • 273 - Amusement devices: games