2103393

Information

• Patent Grant
• 2103393

• References
• Source

• Patent Number

  2,103,393

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1937
  86 years ago

• CPC

  • A41H3/002 - Set squares or rulers for drafting patterns

• US Classifications

  • 033 - Geometrical instruments