2820379

Information

• Patent Grant
• 2820379

• References
• Source

• Patent Number

  2,820,379

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  67 years ago

• CPC

  • F16L13/128 - Tools
  • Y10T29/53839 - having percussion or explosive operator
  • Y10T29/53983 - Work-supported apparatus

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 425 - Plastic article or earthenware shaping or treating: apparatus