US PATENT SUBCLASS 416 / 59
.~ Pivot supported swinging device

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

54  DF  OPERATED BY ART DEVICE {4}
59.~ Pivot supported swinging device

DEFINITION

Classification: 416/59

(under subclass 54) Apparatus wherein the device comprises a contrivance which swings about a supporting pivot, as a door or hammock.

(1) Note. This definition does not include a swinging member which is merely a part of an "art device", such as a sewing machine treadle.