1048939

Information

• Patent Grant
• 1048939

• References
• Source

• Patent Number

  1,048,939

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1912
  112 years ago

• CPC

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

• US Classifications

  • 409 - Gear cutting, milling, or planing