3307222

Information

• Patent Grant
• 3307222

• References
• Source

• Patent Number

  3,307,222

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1967
  57 years ago

• CPC

  • B29C51/10 - Forming by pressure difference
  • A61C13/06 - made by punching

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus