1521808

Information

• Patent Grant
• 1521808

• References
• Source

• Patent Number

  1,521,808

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1925
  100 years ago

• CPC

  • A63B39/00 - Hollow non-inflatable balls
  • A63B2039/003 - substantially hollow and pressureless
  • Y10T152/10441 - Balls
  • Y10T156/1026 - with slitting or removal of material at reshaping area prior to reshaping

• US Classifications

  • 473 - Games using tangible projectile
  • 152 - Resilient tires and wheels
  • 156 - Adhesive bonding and miscellaneous chemical manufacture