3914969

Information

• Patent Grant
• 3914969

• References
• Source

• Patent Number

  3,914,969

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1975
  49 years ago

• CPC

  • F03H1/0043 - characterised by the acceleration grid
  • B21D26/025 - Means for controlling the clamping or opening of the moulds
  • B21D26/059 - Layered blanks
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0022 - Manufacture

• US Classifications

  • 072 - Metal deforming