US PATENT SUBCLASS 5 / 716
.~ Having innerspring-type core

Current as of: June, 1999
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5 /   HD   BEDS

690  DF  MATTRESS (FOR WHOLE BODY) {23}
716.~ Having innerspring-type core {5}
717  DF  .~.~> With substantial edge, border, or side features
718  DF  .~.~> Substantially filled with foam
719  DF  .~.~> Noncoil spring element
720  DF  .~.~> Compartmentalized
721  DF  .~.~> With substantial, firm, top insulator or reinforcing grid on spring core

DEFINITION

Classification: 5/716

Having innerspring-type core:

(under subclass 690) Mattress containing a plurality of coiled wire members that provide substantial support for a user and will temporarily compress when a user's weight is placed on the mattress, the members being enclosed by an upholstery material, such as a ticking, and usually including a padding material (e.g., batting or foam) above the members and below the ticking.

(1) Note. The patents in this subclass comprise coiled springs of the type defined by a helical strand of material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

230+, 239+ and 246+, for a bed bottom disclosing structure framing or metallic connections of springs.

642, for pillow-type head supports that include springs.

654.1, for seat cushion-type supports comprising spring means.

655.7, for spring containing supports for a user's body or part thereof.

936, for devices having springs with adjustable firmness. SEE OR SEARCH CLASS

267, Spring Devices,

80+, for a spring panel.