2140812

Information

• Patent Grant
• 2140812

• References
• Source

• Patent Number

  2,140,812

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1938
  86 years ago

• CPC

  • F02P7/0632 - with rotary contacts
  • Y10T70/5951 - With switch

• US Classifications

  • 123 - Internal-combustion engines
  • 070 - Locks
  • 174 - Electricity: conductors and insulators
  • 180 - Motor vehicles
  • 200 - Electricity: circuit makers and breakers