US PATENT SUBCLASS 148 / 402
.~ Mechanical memory
Current as of: June, 1999
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DEFINITION
Classification: 148/402
Mechanical memory:
(under subclass 400) Stock material which when shaped at a first temperature, and reshaped at a different temperature resumes its first shape when returned to the first temperature, or at some intermediate temperature.
(1) Note. This subclass is placed in this class since this "memory" of the first shape is believed to occur due to changes of crystal form at different temperatures. However, all metallic stock possessing mechanical memory is placed hereunder no matter what the disclosed theory may be.
