2505223

Information

• Patent Grant
• 2505223

• References
• Source

• Patent Number

  2,505,223

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1950
  74 years ago

• CPC

  • B24B19/002 - for knife blades

• US Classifications

  • 451 - Abrading
  • 091 - Motors: expansible chamber type