3881836

Information

• Patent Grant
• 3881836

• References
• Source

• Patent Number

  3,881,836

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  51 years ago

• CPC

  • B23Q39/042 - with circular arrangement of the sub-assemblies
  • Y10T29/513 - Stationary work
  • Y10T408/38 - Plural, simultaneously operational tools
  • Y10T408/3839 - with presser-foot

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 029 - Metal working