2938699

Information

• Patent Grant
• 2938699

• References
• Source

• Patent Number

  2,938,699

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1960
  64 years ago

• CPC

  • E21D15/588 - the lock also being activated
  • E21D15/306 - by means of a liquid

• US Classifications

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