1303011

Information

• Patent Grant
• 1303011

• References
• Source

• Patent Number

  1,303,011

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1919
  105 years ago

• CPC

  • H01R43/14 - Maintenance of current collectors
  • Y10T409/306272 - For machining commutator

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 144 - Woodworking
  • 310 - Electrical generator or motor structure