3913457

Information

• Patent Grant
• 3913457

• References
• Source

• Patent Number

  3,913,457

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • F15B11/18 - used in combination for obtaining stepwise operation of a single controlled member

• US Classifications

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