3447222

Information

• Patent Grant
• 3447222

• References
• Source

• Patent Number

  3,447,222

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1969
  55 years ago

• CPC

  • B21D53/00 - Making other particular articles
  • F16K27/044 - slide valves with flat obturating members
  • Y10T29/49414 - Joining plural semi-circular components
  • Y10T29/49893 - Peripheral joining of opposed mirror image parts to form a hollow body

• US Classifications

  • 029 - Metal working
  • 251 - Valves and valve actuation