638976

Information

• Patent Grant
• 638976

• References
• Source

• Patent Number

  638,976

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1899
  125 years ago

• CPC

  • D01G9/22 - Driving arrangements

• US Classifications

  • 019 - Textiles: fiber preparation
  • 476 - Friction gear transmission systems or components