3857272

Information

• Patent Grant
• 3857272

• References
• Source

• Patent Number

  3,857,272

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • B21J7/34 - operating both the hammer and the anvil, so-called counter-tup
  • B21J7/28 - operated by hydraulic or liquid pressure

• US Classifications

  • 072 - Metal deforming
  • 100 - Presses