2133375

Information

• Patent Grant
• 2133375

• References
• Source

• Patent Number

  2,133,375

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1938
  86 years ago

• CPC

  • B24B33/025 - Internal surface of conical shape
  • Y10S451/901 - Super finish
  • Y10T74/18024 - Rotary to reciprocating and rotary
  • Y10T74/18208 - Crank, pitman, and slide

• US Classifications

  • 451 - Abrading
  • 074 - Machine element or mechanism