3738227

Information

• Patent Grant
• 3738227

• References
• Source

• Patent Number

  3,738,227

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • G11B5/5521 - across disc tracks
  • F15B11/18 - used in combination for obtaining stepwise operation of a single controlled member
  • F15B13/0431 - the electrical control resulting in an on-off function
  • F16K11/022 - comprising a deformable member
  • G03B21/116 - Handling microfiches
  • Y10T137/2678 - Four port reversing valve

• US Classifications

  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER