3878538

Information

• Patent Grant
• 3878538

• References
• Source

• Patent Number

  3,878,538

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • F16D66/00 - Arrangements for monitoring working conditions
  • B60T17/22 - Devices for monitoring or checking brake systems Signal devices
  • H01H43/304 - of two bodies expanding or contracting in a different manner
  • H01H61/013 - Heating arrangements for operating relays
  • F16D2066/003 - Position, angle or speed

• US Classifications

  • 340 - Communications: electrical
  • 337 - Electricity: electrothermally or thermally actuated switches