Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G01N 3/42

by performing impressions under a steady load by indentors, e.g. sphere, pyramid (G01N3/54 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by performing impressions under a steady load by indentors, e.g. sphere, pyramid

CPC: by performing impressions under a steady load by indentors, e.g. sphere, pyramid (G01N3/54 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Investigating strength properties of solid materials by application of mechanical stress > Investigating hardness or rebound hardness > by performing impressions under a steady load by indentors, e.g. sphere, pyramid

CPC:

Investigating strength properties of solid materials by application of mechanical stress > Investigating hardness or rebound hardness > by performing impressions under a steady load by indentors, e.g. sphere, pyramid (G01N3/54 takes precedence)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • G01N 3/44 the indentors being put under a minor load and a subsequent major load, i.e. Rockwell system IPC+CPC Available in IPC and CPC
  • G01N 3/46 the indentors performing a scratching movement IPC+CPC Available in IPC and CPC