3173828

Information

• Patent Grant
• 3173828

• References
• Source

• Patent Number

  3,173,828

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1965
  59 years ago

• CPC

  • B28B1/528 - for producing corrugated sheets

• US Classifications

  • 162 - Paper making and fiber liberation
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus