3719446

Information

• Patent Grant
• 3719446

• References
• Source

• Patent Number

  3,719,446

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1973
  51 years ago

• CPC

  • B29C45/262 - provided with unscrewing drive means
  • B29C33/446 - and using a rotating movement to unscrew articles
  • B29C2043/5015 - having undercuts or being threaded
  • B29L2001/00 - Articles provided with screw threads
  • B29L2031/565 - for containers

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 249 - Static molds