US PATENT SUBCLASS 454 / 142
.~.~ Including unitary inlet and outlet housing
Current as of:
June, 1999
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454 /
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VENTILATION
69
DF
VEHICLE (E.G., AUTOMOBILE, ETC.)
{15}
141
DF
.~ Having both inlet and outlet airways {1}
142
.~.~ Including unitary inlet and outlet housing
DEFINITION
Classification: 454/142
Including unitary inlet and outlet housing:
(under subclass 141) Subject matter comprising a single structure containing portions of the air admitting and air exhausting means.
(1) Note. This subclass is intended to include subject matter in which the air admitting and air exhausting means are integral.
SEE OR SEARCH THIS CLASS, SUBCLASS:
104, for railcars, buses, or trailers which have a unitary inlet and outlet housing.
234+, for static structures having forced recirculation and which use a unitary inlet and outlet housing.
241+, for static structures (e.g., buildings) which have a unitary inlet and outlet housing.
