2019412

Information

• Patent Grant
• 2019412

• References
• Source

• Patent Number

  2,019,412

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1935
  89 years ago

• CPC

  • B31B1/74 - Auxiliary operations; Parts; Components
  • B65D15/06 - with end walls made of metal
  • B31B2201/622 - Coating or impregnating formed boxes
  • B31B2201/628 - by only spraying the interior of the boxes

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 413 - Sheet metal container making
  • 493 - Manufacturing container or tube from paper