US PATENT SUBCLASS 52 / 80.1
COMPOUND CURVE STRUCTURE


Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

80.1COMPOUND CURVE STRUCTURE {3}
80.2  DF  .~> Hyperbolic parabloid shape
81.1  DF  .~> Geodesic shape {2}
81.6  DF  .~> Monolithic construction


DEFINITION

Classification: 52/80.1

COMPOUND CURVE STRUCTURE:

(under the class definition) Structure having a major exposed portion which conforms to a surface generated by a curved line moving along a curved path; e.g., a sphere, hyperbolic parabloid, or dome.

SEE OR SEARCH THIS CLASS, SUBCLASS:

2.11+, for a construction which is shaped by fluid pressure.

82, for a conical structure.

85, for a two-dimensional curvilinear entrance archway.

86+, for a two-dimensional vertically curved arch.

200, for a skylight.

245+, for a noncompound curve curvilinear barrier. 639+, for a two-dimensional curved or peaked truss.

648.1+, for openwork.

SEE OR SEARCH CLASS

135, Tent, Canopy, Umbrella, or Cane,

124+, for portable structures formed with an arc or dome structure.

220, Receptacles,

565+, for a compound curve; e.g., spheroidal, fluid confining tank.

343, Communications: Radio Wave Antennas,

872, for a dome-like antenna housing having a defined electrical characteristic; e.g., a radome.