3538587

Information

• Patent Grant
• 3538587

• References
• Source

• Patent Number

  3,538,587

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • F16K27/00 - Construction of housing Use of materials therefor
  • Y10T29/53552 - Valve applying or removing
  • Y10T29/5363 - Circular spring
  • Y10T29/53657 - to apply or remove a resilient article [e.g., tube, sleeve, etc.]
  • Y10T29/53665 - Well protector to sucker rod

• US Classifications

  • 029 - Metal working