3776021

Information

• Patent Grant
• 3776021

• References
• Source

• Patent Number

  3,776,021

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • B21J7/26 - operated by internal combustion
  • B21J7/34 - operating both the hammer and the anvil, so-called counter-tup

• US Classifications

  • 072 - Metal deforming