2657506

Information

• Patent Grant
• 2657506

• References
• Source

• Patent Number

  2,657,506

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1953
  71 years ago

• CPC

  • B08B9/0553 - Cylindrically shaped pigs
  • B24B5/40 - for grinding tubes internally
  • B24B33/084 - having honing stones at the end of bars

• US Classifications

  • 451 - Abrading
  • 015 - Brushing, scrubbing, and general cleaning