1618579

Information

• Patent Grant
• 1618579

• References
• Source

• Patent Number

  1,618,579

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1927
  98 years ago

• CPC

  • A47C23/12 - using tensioned springs
  • Y10T24/1408 - Closed loops

• US Classifications

  • 267 - Spring devices
  • 005 - Beds
  • 024 - Buckles, buttons, clasps, etc.