186757

Information

• Patent Grant
• 186757

• References
• Source

• Patent Number

  186,757

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1877
  147 years ago

• CPC

  • A47C3/265 - with rack-and-pinion gearing
  • A47C9/08 - Music stools

• US Classifications

  • 248 - Supports