1728221

Information

• Patent Grant
• 1728221

• References
• Source

• Patent Number

  1,728,221

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1929
  95 years ago

• CPC

  • H01H85/0452 - with parallel side contacts

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches