US PATENT SUBCLASS 277 / 601
.~.~.~ Covering fire ring or sealing formation

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

590  DF  SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS {3}
591  DF  .~ Contact seal between parts of internal combustion engine {7}
600  DF  .~.~ Covering member or eyelet for opening {1}
601.~.~.~ Covering fire ring or sealing formation

DEFINITION

Classification: 277/601

Covering fire ring or sealing formation:

(under subclass 600) Covering member or eyelet wherein the covering member or eyelet is for the opening provided for a combustion chamber of the internal combustion engine.