3878437

Information

• Patent Grant
• 3878437

• References
• Source

• Patent Number

  3,878,437

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • B23H1/026 - Power supply protection
  • H03K3/012 - Modifications of generator to improve response time or to decrease power consumption
  • H03K5/02 - by amplifying

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 219 - Electric heating