1569000

Information

• Patent Grant
• 1569000

• References
• Source

• Patent Number

  1,569,000

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1926
  99 years ago

• CPC

  • E21B19/089 - with a spring or an additional weight

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 166 - Wells