3538777

Information

• Patent Grant
• 3538777

• References
• Source

• Patent Number

  3,538,777

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • F04B47/145 - with fluid means
  • E21B43/127 - Adaptations of walking-beam pump systems
  • Y10T74/18152 - Belt or chain carried member

• US Classifications

  • 074 - Machine element or mechanism