US PATENT SUBCLASS 277 / 934
SEAL SWELLS WHEN WET

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

934SEAL SWELLS WHEN WET

DEFINITION

Classification: 277/934

SEAL SWELLS WHEN WET:

(under the class definition) Sealing means including means to absorb liquid to increase the volume of the sealing means.