2681346

Information

• Patent Grant
• 2681346

• References
• Source

• Patent Number

  2,681,346

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1954
  69 years ago

• CPC

  • C09B47/00 - Porphines Azaporphines
  • H01H71/529 - comprising an electroresponsive element forming part of the transmission chain between handle and contact arm

• US Classifications

  • 540 - Organic compounds