1888454

Information

• Patent Grant
• 1888454

• References
• Source

• Patent Number

  1,888,454

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1932
  92 years ago

• CPC

  • G01N3/56 - Investigating resistance to wear or abrasion
  • G01M13/04 - Testing of bearings
  • Y10S29/105 - Assembly, magnetic, or indicia tool
  • Y10S33/01 - Magnetic
  • Y10S248/904 - Indicator mount
  • Y10T29/53909 - Means comprising hand manipulatable tool

• US Classifications

  • 033 - Geometrical instruments
  • 029 - Metal working
  • 073 - Measuring and testing
  • 116 - Signals and indicators
  • 248 - Supports