3774506

Information

• Patent Grant
• 3774506

• References
• Source

• Patent Number

  3,774,506

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1973
  50 years ago

• CPC

  • F04B39/044 - sealing with a rolling diaphragm between piston and cylinder
  • F16J3/06 - Bellows pistons

• US Classifications

  • 092 - Expansible chamber devices
  • 417 - Pumps