1642815

Information

• Patent Grant
• 1642815

• References
• Source

• Patent Number

  1,642,815

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1927
  97 years ago

• CPC

  • D01H1/243 - driven by friction discs

• US Classifications

  • 476 - Friction gear transmission systems or components
  • 310 - Electrical generator or motor structure