3438331

Information

• Patent Grant
• 3438331

• References
• Source

• Patent Number

  3,438,331

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1969
  56 years ago

• CPC

  • F04C9/005 - the piston oscillating in the space

• US Classifications

  • 417 - Pumps