1893711

Information

• Patent Grant
• 1893711

• References
• Source

• Patent Number

  1,893,711

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1933
  92 years ago

• CPC

  • B21C25/08 - Dies or mandrels with section variable during extruding
  • B21C23/14 - Making other products
  • B21C23/183 - by forward extrusion
  • B21K1/24 - valve bodies valve seats
  • B21K21/08 - Shaping hollow articles with different cross-section in longitudinal direction
  • Y10T29/49426 - including metal shaping and diverse operation

• US Classifications

  • 029 - Metal working