US PATENT SUBCLASS 228 / 103
.~ With measuring, testing, indicating, inspecting, or illuminating

Current as of: June, 1999
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228 /   HD   METAL FUSION BONDING

101  DF  PROCESS {38}
103.~ With measuring, testing, indicating, inspecting, or illuminating {2}
104  DF  .~.~> Nondestructive testing
105  DF  .~.~> Using optical viewing means (e.g., microscope)

DEFINITION

Classification: 228/103

(under subclass 101) Process especially to enable an operative to (1) determine the occurrence or extent of a variation in an operating condition or (2) observe or determine the location or condition of an element or material by direct observation.

SEE OR SEARCH CLASS

73, Measuring and Testing, for structure similar to that of this subclass, but lacking the step of surface bonding.

374, Thermal Measuring and Testing,

5+, for flaw determination by thermal testing, absent a step of surface bonding.