1558507

Information

• Patent Grant
• 1558507

• References
• Source

• Patent Number

  1,558,507

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1925
  99 years ago

• CPC

  • A63B51/12 - Devices arranged in or on the racket for adjusting the tension of the strings
  • A63B49/022 - String guides on frames
  • A63B51/06 - Double-sided stringing
  • A63B49/028 - Means for achieving greater mobility of the string bed

• US Classifications

  • 473 - Games using tangible projectile