1970134

Information

• Patent Grant
• 1970134

• References
• Source

• Patent Number

  1,970,134

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1934
  90 years ago

• CPC

  • B21D22/22 - with devices for holding the edge of the blanks
  • B21D45/02 - Ejecting devices
  • B30B15/16 - Control arrangements for fluid-driven presses
  • Y10S24/26 - Fluid pressure

• US Classifications

  • 072 - Metal deforming
  • 024 - Buckles, buttons, clasps, etc.
  • 267 - Spring devices