2793443

Information

• Patent Grant
• 2793443

• References
• Source

• Patent Number

  2,793,443

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1957
  67 years ago

• CPC

  • G01B3/40 - for external screw-threads
  • G01B3/36 - for external screw-threads

• US Classifications

  • 033 - Geometrical instruments