US PATENT SUBCLASS 140 / 92
.~ Stud spirals

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

Internet Version by PATENTEC © 1999      Terms of Use


140 /   HD   WIREWORKING

71 R  DF  ARTICLE MAKING OR FORMING {22}
92.~ Stud spirals

DEFINITION

Classification: 140/92

Making spiral studs--for example, shirt-studs--comprising a tapering or conical coil of wire and terminating in an axially alined shank or end at right angles to the plane of coiling.

SEE OR SEARCH CLASS

72, Metal Deforming,

138+, for an apparatus for forming a metal coil of varied

pitch or diameter.