2276737

Information

• Patent Grant
• 2276737

• References
• Source

• Patent Number

  2,276,737

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1942
  83 years ago

• CPC

  • B31F1/32 - Corrugating already corrugated webs
  • B65D81/02 - specially adapted to protect contents from mechanical damage
  • Y10T428/24455 - Paper
  • Y10T428/2457 - Parallel ribs and/or grooves
  • Y10T428/24702 - with locally deformed crests or intersecting series of corrugations

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 264 - Plastic and nonmetallic article shaping or treating: processes