2121135

Information

• Patent Grant
• 2121135

• References
• Source

• Patent Number

  2,121,135

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1938
  86 years ago

• CPC

  • B31B1/74 - Auxiliary operations; Parts; Components
  • B31B2201/2633 - involving stripping-off formed boxes from mandrels

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 198 - Conveyors: power-driven