US PATENT SUBCLASS 267 / 140.4
.~.~ Metallic and nonmetallic
Current as of:
June, 1999
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267 /
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SPRING DEVICES
136
DF
RESILIENT SHOCK OR VIBRATION ABSORBER
{8}
140.3
DF
.~ Having diverse resilient element {1}
140.4
.~.~ Metallic and nonmetallic
DEFINITION
Classification: 267/140.4
Metallic and nonmetallic:
(under subclass 140.3) Structure comprising metallic and nonmetallic element.