3918289

Information

• Patent Grant
• 3918289

• References
• Source

• Patent Number

  3,918,289

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • B23P15/00 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
  • B21J7/36 - for drop hammers
  • B21J13/00 - Details of machines for forging, pressing, or hammering
  • Y10T428/1355 - Elemental metal containing [e.g., substrate, foil, film, coating, etc.]
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell

• US Classifications

  • 072 - Metal deforming
  • 173 - Tool driving or impacting
  • 428 - Stock material or miscellaneous articles