2688826

Information

• Patent Grant
• 2688826

• References
• Source

• Patent Number

  2,688,826

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1954
  70 years ago

• CPC

  • B24B7/14 - for grinding slideways

• US Classifications

  • 451 - Abrading
  • 033 - Geometrical instruments