3566816

Information

• Patent Grant
• 3566816

• References
• Source

• Patent Number

  3,566,816

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1971
  53 years ago

• CPC

  • D05B75/02 - for drop-head sewing machines

• US Classifications

  • 112 - Sewing
  • 108 - Horizontally supported planar surfaces
  • 312 - Supports: cabinet structure