3915021

Information

• Patent Grant
• 3915021

• References
• Source

• Patent Number

  3,915,021

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1975
  49 years ago

• CPC

  • B23B31/40 - Expansion mandrels
  • B25G1/00 - Handle constructions
  • Y10T74/18608 - Single input split into two intermediate outputs that are subsequently superposed into a single output

• US Classifications

  • 074 - Machine element or mechanism
  • 473 - Games using tangible projectile