2789187

Information

• Patent Grant
• 2789187

• References
• Source

• Patent Number

  2,789,187

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1957
  67 years ago

• CPC

  • H02M1/20 - Contact mechanisms of dynamic converters
  • C22C5/02 - Alloys based on gold
  • C22C5/04 - Alloys based on a platinum group metal
  • H01H1/023 - having a noble metal as the basic material

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 252 - Compositions
  • 420 - Alloys or metallic compositions