US PATENT SUBCLASS 188 / 315
.~.~.~.~ Annular reservoir

Current as of: June, 1999
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188 /   HD   BRAKES

266  DF  INTERNAL-RESISTANCE MOTION RETARDER {29}
297  DF  .~ Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) {7}
313  DF  .~.~ With valve controlling fluid flow between chambers or compartments of the chamber {1}
314  DF  .~.~.~ With reservoir for fluid {1}
315.~.~.~.~ Annular reservoir

DEFINITION

Classification: 188/315

(under subclass 314) Device wherein said container is a first cylinder and said enclosed space is a tubular volume bounded in part by said first cylinder and a second cylinder outside of and concentric with said first cylinder.