1639422

Information

• Patent Grant
• 1639422

• References
• Source

• Patent Number

  1,639,422

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1927
  97 years ago

• CPC

  • A47C23/005 - foldable or dismountable
  • A47C23/14 - forming nets combined with nets
  • A47C23/145 - with horizontal interlocking wound springs Attachment thereof to the frame
  • A47C23/28 - Tensioning devices therefor

• US Classifications

  • 005 - Beds