US PATENT SUBCLASS 182 / 141
PLATFORM WITH ELEVATING OR LOWERING MEANS

Current as of: June, 1999
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182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

141PLATFORM WITH ELEVATING OR LOWERING MEANS {3}
142  DF  .~> Suspended {3}
148  DF  .~> Operating means on platform
149  DF  .~> Trestle-type support, beam-elevating

DEFINITION

Classification: 182/141

(under the class definition) Device including means for elevating or lowering a platform.

SEE OR SEARCH THIS CLASS, SUBCLASS:

37, for a similar device mounted on a track for traversing movement.

42+, for a platform mounted on an endless conveyor.

101+, for an elevatable platform mounted on ladder means.

136, for alternate grasping structures adapted to climb a pole or strand. SEE OR SEARCH CLASS

108, Horizontally Supported Planar Surfaces,

149, for a suspended horizontally supported planar surface which is vertically adjustable.

187, Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle, appropriate subclasses for a lift of general utility.

254, Implements or Apparatus for Applying Pushing or Pulling Force, appropriate subclasses for means to merely jack and hold a wallboard in position.

414, Material or Article Handling,

10+, for wallboard handling means which manipulate and hoist the board.