1639490

Information

• Patent Grant
• 1639490

• References
• Source

• Patent Number

  1,639,490

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1927
  97 years ago

• CPC

  • F16H55/42 - Laminated pulleys
  • Y10S474/903 - Particular connection between hub and shaft

• US Classifications

  • 474 - Endless belt power transmission systems or components