3640209

Information

• Patent Grant
• 3640209

• References
• Source

• Patent Number

  3,640,209

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  53 years ago

• CPC

  • B21D35/007 - Layered blanks
  • A47J36/022 - Cooking- or baking-vessels or supports thereof for using only once
  • B21D51/22 - pots
  • B23P11/00 - Connecting metal parts or objects by metal-working techniques, not covered wholly by either B21J or B23K
  • B23P2700/05 - Cooking vessels

• US Classifications

  • 099 - Foods and beverages: apparatus
  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 426 - Food or edible material: processes, compositions, and products
  • D07 - Equipment for preparing or serving food or drink not elsewhere specified