2238785

Information

• Patent Grant
• 2238785

• References
• Source

• Patent Number

  2,238,785

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1941
  83 years ago

• CPC

  • B24B5/06 - for grinding cylindrical surfaces internally
  • B22C13/02 - equipped with templates

• US Classifications

  • 164 - Metal founding
  • 015 - Brushing, scrubbing, and general cleaning
  • 451 - Abrading