3522889

Information

• Patent Grant
• 3522889

• References
• Source

• Patent Number

  3,522,889

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  55 years ago

• CPC

  • D06F57/122 - for attachment by clamping between two retaining-planes

• US Classifications

  • 211 - Supports: racks
  • 248 - Supports