3659571

Information

• Patent Grant
• 3659571

• References
• Source

• Patent Number

  3,659,571

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1972
  53 years ago

• CPC

  • G02C7/06 - bifocal multifocal; progressive
  • F02D31/007 - controlling fuel supply
  • F02D41/38 - of the high pressure type
  • G01M11/0228 - by measuring refractive power
  • G06G1/085 - borne by a cylinder
  • F02B3/06 - with compression ignition

• US Classifications

  • 123 - Internal-combustion engines