2520456

Information

• Patent Grant
• 2520456

• References
• Source

• Patent Number

  2,520,456

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1950
  74 years ago

• CPC

  • B23B45/06 - driven by man-power

• US Classifications

  • 081 - Tools
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
  • 475 - Planetary gear transmission systems or components