3631397

Information

• Patent Grant
• 3631397

• References
• Source

• Patent Number

  3,631,397

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  53 years ago

• CPC

  • H01H67/24 - Co-ordinate-type relay switches having an individual electromagnet at each cross-point
  • H04Q3/0012 - in which the relays are arranged in a matrix configuration

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 361 - Electricity: electrical systems and devices