2018721

Information

• Patent Grant
• 2018721

• References
• Source

• Patent Number

  2,018,721

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1935
  89 years ago

• CPC

  • A47C23/0435 - of adjustable resilience
  • A47C7/345 - of adjustable resilience

• US Classifications

  • 248 - Supports
  • 005 - Beds
  • 297 - Chairs and seats