3187640

Information

• Patent Grant
• 3187640

• References
• Source

• Patent Number

  3,187,640

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1965
  59 years ago

• CPC

  • F16K31/1268 - with a plurality of the diaphragms
  • B60H1/00442 - using a vacuum
  • F15B11/125 - by means of digital actuators

• US Classifications

  • 092 - Expansible chamber devices
  • 091 - Motors: expansible chamber type