2581052

Information

• Patent Grant
• 2581052

• References
• Source

• Patent Number

  2,581,052

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1952
  73 years ago

• CPC

  • B66D3/02 - Manually-operated
  • E21C29/12 - Machines propelled by thrust or pull against a part alternately anchored to and released from a cable or chain

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 299 - Mining or in situ disintegration of hard material