1641256

Information

• Patent Grant
• 1641256

• References
• Source

• Patent Number

  1,641,256

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1927
  97 years ago

• CPC

  • H01H47/18 - for introducing delay in the operation of the relay
  • H01H50/74 - Mechanical means for producing a desired natural frequency of operation of the contacts
  • H01H50/88 - Mechanical means

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets