US PATENT SUBCLASS 52 / 139
.~ With separately placeable closure in abutting relation to wall edges

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

128  DF  BURIAL VAULT {8}
139.~ With separately placeable closure in abutting relation to wall edges {2}
140  DF  .~.~> With sealing material retaining construction {1}
142  DF  .~.~> Sectional side walls and floor construction

DEFINITION

Classification: 52/139

(under subclass 128) Structure including a separate closure, forming one barrier wall of the receptacle, which is placed against terminal edges of other walls of the receptacle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

138, for a hood-like receptacle the vertical walls of which rest on a floor.