1993605

Information

• Patent Grant
• 1993605

• References
• Source

• Patent Number

  1,993,605

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1935
  89 years ago

• CPC

  • B31B1/74 - Auxiliary operations; Parts; Components
  • B31B2201/2633 - involving stripping-off formed boxes from mandrels
  • Y10T29/5184 - Casting and working

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 029 - Metal working