3183593

Information

• Patent Grant
• 3183593

• References
• Source

• Patent Number

  3,183,593

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1965
  59 years ago

• CPC

  • B43L13/00 - Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
  • B43L11/08 - for drawing involutes

• US Classifications

  • 033 - Geometrical instruments