1927512

Information

• Patent Grant
• 1927512

• References
• Source

• Patent Number

  1,927,512

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1933
  91 years ago

• CPC

  • H01H43/308 - based on the change of electrical properties

• US Classifications

  • 361 - Electricity: electrical systems and devices