1837261

Information

• Patent Grant
• 1837261

• References
• Source

• Patent Number

  1,837,261

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1931
  93 years ago

• CPC

  • B31D5/0069 - including forming or transforming three-dimensional material
  • Y10T442/3634 - At least one layer comprises paper

• US Classifications

  • 442 - Fabric