1503733

Information

• Patent Grant
• 1503733

• References
• Source

• Patent Number

  1,503,733

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1924
  100 years ago

• CPC

  • B44B3/068 - Tracer heads
  • B44B3/061 - Tool heads

• US Classifications

  • 033 - Geometrical instruments