US PATENT SUBCLASS 244 / 1 N
.~ Noise abatement
Current as of: June, 1999
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Unofficial Alpha Subclasses: R N A TD
DEFINITION
Classification: 244/1
(under the class definition) Aeronautical machines and devices not otherwise classifiable.
(1) Note. Instruments and indicators incorporated with aircraft structure are found here.
(2) Note. for instruments and indicators, per se, see the search notes below.
SEE OR SEARCH CLASS
33, Geometrical Instruments, appropriate subclasses for instruments and indicators, per se,
73, Measuring and Testing, appropriate subclasses for instruments and indicators, per se,
116, Signals and Indicators, appropriate subclasses for instruments and indicators, per se,
343, Communications: Radio Wave Antennas,
707, for trailing-type antennas with aircraft.
