1928457

Information

• Patent Grant
• 1928457

• References
• Source

• Patent Number

  1,928,457

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1933
  91 years ago

• CPC

  • G01B7/001 - Constructional details of gauge heads
  • Y10S33/01 - Magnetic
  • Y10S33/11 - Materials

• US Classifications

  • 033 - Geometrical instruments
  • 073 - Measuring and testing
  • 340 - Communications: electrical
  • 451 - Abrading