3711257

Information

• Patent Grant
• 3711257

• References
• Source

• Patent Number

  3,711,257

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1973
  52 years ago

• CPC

  • F02M15/04 - the means being electrical
  • F01C1/22 - of internal-axis type with equidirectional movement of co-operating members at the point of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member
  • F02M29/04 - having screens, gratings, baffles, or the like
  • F02B2075/027 - four

• US Classifications

  • 048 - Gas: heating and illuminating