644448

Information

• Patent Grant
• 644448

• References
• Source

• Patent Number

  644,448

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1900
  124 years ago

• CPC

  • H01H21/86 - Switches with abutting contact carried by operating part

• US Classifications

  • 178 - Telegraphy