1795804

Information

• Patent Grant
• 1795804

• References
• Source

• Patent Number

  1,795,804

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1931
  93 years ago

• CPC

  • E21C35/1936 - the picks having a square- or rectangular-section shank
  • E21C2035/191 - for fixing holders
  • Y10T279/17333 - Transverse screw actuator

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 076 - Metal tools and implements, making
  • 279 - Chucks or sockets