1977370

Information

• Patent Grant
• 1977370

• References
• Source

• Patent Number

  1,977,370

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1934
  90 years ago

• CPC

  • A47C23/155 - with combinations of flat springs or link chains with wound spring

• US Classifications

  • 005 - Beds
  • 256 - Fences