2322531

Information

• Patent Grant
• 2322531

• References
• Source

• Patent Number

  2,322,531

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1943
  81 years ago

• CPC

  • A47K10/38 - the web being rolled up with or without tearing edge
  • A47K10/3662 - with devices preventing the use of non-authorised paper rolls
  • Y10T74/1594 - Positive grip

• US Classifications

  • 074 - Machine element or mechanism
  • 226 - Advancing material of indeterminate length
  • 312 - Supports: cabinet structure