2663948

Information

• Patent Grant
• 2663948

• References
• Source

• Patent Number

  2,663,948

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1953
  70 years ago

• CPC

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

• US Classifications

  • 033 - Geometrical instruments