3381672

Information

• Patent Grant
• 3381672

• References
• Source

• Patent Number

  3,381,672

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1968
  57 years ago

• CPC

  • B21J7/26 - operated by internal combustion
  • B30B1/002 - by internal combustion mechanism

• US Classifications

  • 123 - Internal-combustion engines
  • 227 - Elongated-member-driving apparatus