1763091

Information

• Patent Grant
• 1763091

• References
• Source

• Patent Number

  1,763,091

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1930
  94 years ago

• CPC

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

• US Classifications

  • 033 - Geometrical instruments