1772193

Information

• Patent Grant
• 1772193

• References
• Source

• Patent Number

  1,772,193

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1930
  94 years ago

• CPC

  • G05F1/12 - wherein the variable actually regulated by the final control device is ac
  • G05F1/644 - being pressure-sensitive resistors

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 307 - Electrical transmission or interconnection systems