3662602

Information

• Patent Grant
• 3662602

• References
• Source

• Patent Number

  3,662,602

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • A63B21/023 - Wound springs
  • A63B21/04 - attached to static foundation
  • A63B23/129 - for arm wrestling
  • A63B21/00065 - by increasing or reducing the number of resistance units
  • A63B21/00069 - Setting or adjusting the resistance level; Compensating for a preload prior to use
  • A63B21/0421 - the ends moving relatively by a pivoting arrangement
  • A63B21/055 - extension element type
  • A63B2208/12 - specially adapted for children
  • Y10S482/905 - Arm wrestling

• US Classifications

  • 073 - Measuring and testing
  • 482 - Exercise devices