3121916

Information

• Patent Grant
• 3121916

• References
• Source

• Patent Number

  3,121,916

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1964
  60 years ago

• CPC

  • B65D1/26 - Thin-walled containers
  • B29C51/04 - Combined thermoforming and prestretching
  • B29C51/18 - Thermoforming apparatus
  • B29C51/32 - having cutting means
  • B29C51/343 - having recessed undersurfaces
  • B65D1/265 - Drinking cups
  • B29C51/306 - with means for forming a rim

• US Classifications

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