US PATENT SUBCLASS 312 / 21
DISAPPEARING-INSTRUMENT TYPE


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



312 /   HD   SUPPORTS: CABINET STRUCTURE

21DISAPPEARING-INSTRUMENT TYPE {4}
22  DF  .~> Combined closure and support {1}
27  DF  .~> On swingable link or linkage {1}
29  DF  .~> With trackway
30  DF  .~> Pivoted support


DEFINITION

Classification: 312/21

(under the class definition) Cabinet structures having special means for housing and supporting instruments or machines so that relative guided motion between the latter and the cabinet structure results in placement of the instrument or machine in a position exposed for use or in a position, as for storage, out of the way in the cabinet structure. Some of the patents include the instrument housed by name only but in general if any instrument structure is recited, the combination is classified with the instrument.

SEE OR SEARCH THIS CLASS, SUBCLASS:

194+, for spaced pedestal type cabinets, per se.

208.1+, 208.5+, 223.3, and 223.4, for cabinets having means to support or house typewriters, adding machines, sewing machines, computers or computer related equipments, etc.

SEE OR SEARCH CLASS

112, Sewing,

217.1+, for sewing machine tables. 248, Supports,

500+, for hold-downs to secure the machine on the disappearing leaf or table.