3566501

Information

• Patent Grant
• 3566501

• References
• Source

• Patent Number

  3,566,501

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1971
  54 years ago

• CPC

  • B21C37/26 - helically-ribbed tubes
  • B65G11/063 - for articles
  • B65G2812/086 - Screw-like chutes
  • Y10T29/49316 - Impeller making
  • Y10T29/49881 - of separate helix [e.g., screw thread]

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 416 - Fluid reaction surfaces