US PATENT SUBCLASS 29 / 441.2-- .~.~.~.~.~ Ball point pen making

US PATENT SUBCLASS 29 / 441.2
.~.~.~.~.~ Ball point pen making

Current as of: June, 1999
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29 /	HD	METAL WORKING

592	DF	METHOD OF MECHANICAL MANUFACTURE {54}
428	DF	.~ Assembling or joining {21}
434	DF	.~.~ Retaining clearance for motion between assembled parts {3}
437	DF	.~.~.~ By deforming interlock {5}
441.1	DF	.~.~.~.~ Of sphere, i.e., ball, in socket {2}
441.2		.~.~.~.~.~ Ball point pen making

DEFINITION

Classification: 29/441.2

Ball point pen making:

(under subclass 441.1) Process comprising deforming the second or receiving part around the first part having the spherical surface so that the spherical surface can extend beyond the end of the receiving part so as to form a writing instrument.

(1) Note. Included herein is a process of inserting a ball into a confining receiver to form a writing extremity or "nib" (that part of a writing instrument in which the ball is housed or the front end shank around the ball and the formed ball seating surface).

SEE OR SEARCH CLASS

401, Coating Implements With Material Supply,

208+, for a ball-point pen.