US PATENT SUBCLASS 277 / 487
.~.~.~ Segmented

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


277 /   HD   SEAL FOR A JOINT OR JUNCTURE

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
434  DF  .~ Piston ring or piston ring expander or seat therefor {15}
467  DF  .~.~ Particular piston ring expander {12}
487.~.~.~ Segmented

DEFINITION

Classification: 277/487

Segmented:

(under subclass 467) Particular piston ring expander wherein the piston ring expander's perimeter is divided into portions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

486, for a piston ring expander adjoining opposed ends of a split or segmented piston ring.

493, for a segmented piston ring.