3740813

Information

• Patent Grant
• 3740813

• References
• Source

• Patent Number

  3,740,813

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1973
  51 years ago

• CPC

  • B21K1/14 - fittings
  • B23P13/00 - Making metal objects by operations essentially involving machining but not covered by a single other subclass
  • Y10T29/49442 - T-shaped fitting making

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming