3899171

Information

• Patent Grant
• 3899171

• References
• Source

• Patent Number

  3,899,171

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

  • A63D5/026 - Retarding devices for the returned bowling ball
  • Y10S273/06 - Nylon
  • Y10S273/08 - Urethane
  • Y10S428/909 - Resilient layer

• US Classifications

  • 473 - Games using tangible projectile
  • 101 - Printing
  • 273 - Amusement devices: games
  • 428 - Stock material or miscellaneous articles