3889731

Information

• Patent Grant
• 3889731

• References
• Source

• Patent Number

  3,889,731

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • B23Q39/042 - with circular arrangement of the sub-assemblies
  • B23Q1/5468 - a single rotating pair followed parallelly by a single rotating pair
  • B27H3/04 - Manufacture of barrel heads or casings

• US Classifications

  • 147 - Coopering