3005978

Information

• Patent Grant
• 3005978

• References
• Source

• Patent Number

  3,005,978

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1961
  63 years ago

• CPC

  • G01D5/56 - using electric or magnetic means
  • G01D1/08 - over fixed periods of time
  • G01R17/04 - in which the reference value is continuously or periodically swept over the range of values to be measured

• US Classifications

  • 340 - Communications: electrical