3447356

Information

• Patent Grant
• 3447356

• References
• Source

• Patent Number

  3,447,356

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1969
  55 years ago

• CPC

  • B21H3/00 - Making helical bodies or bodies having parts of helical shape
  • F16B39/06 - with a pin or staple parallel to the bolt axis
  • F16B37/122 - Threaded inserts
  • Y10S411/939 - Longitudinal key

• US Classifications

  • 072 - Metal deforming