581135

Information

• Patent Grant
• 581135

• References
• Source

• Patent Number

  581,135

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1897
  127 years ago

• CPC

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

• US Classifications

  • 178 - Telegraphy