3490733

Information

• Patent Grant
• 3490733

• References
• Source

• Patent Number

  3,490,733

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  54 years ago

• CPC

  • G21F7/066 - Remotely manipulated tools
  • F15B15/103 - using inflatable bodies that contract when fluid pressure is applied
  • F16K7/08 - constrictable by twisting
  • F16K31/1655 - for rotating valves

• US Classifications

  • 251 - Valves and valve actuation
  • 092 - Expansible chamber devices