US PATENT SUBCLASS 116 / 175
.~ Metallic flags

Current as of: June, 1999
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116 /   HD   SIGNALS AND INDICATORS

173  DF  FLAGS AND FLAGSTAFFS {2}
175.~ Metallic flags

DEFINITION

Classification: 116/175

(under subclass 173) Devices include flags of metal, generally for railway use or where great wearing qualities are needed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

132, for hand set semaphore indicators.