Combination pen or pencil and circular marking implement

Details Combination pen or pencil and circular marking implement Combination pen or pencil and circular marking implement

2007-01-02

2007-01-02

Huynh, Khoa D. (Department: 3751)

Coating implements with material supply

Plural tools including projectable and retractable tool

C401S031000, C401S195000, C401S018000

Reexamination Certificate

active

11037582

ABSTRACT:
A combination pen, pencil and circular marking implement that can be utilized as a pen or pencil writing tool and for circular ink marking on printed surfaces for word game and puzzle solution includes a central passageway for accommodating ink cartridges or lead pencil cartridges encompassed by an ink reservoir that communicates with a cylindrical marking die for circling numbers and letters, and the marking die capable of advancement or retraction by rotation of a tool gripping collar attached to the body of the combination writing and marking implement whereupon rotation of the tool gripping collar engages internal cams for actuating the advancement and retraction of the marking die so that either the pen/pencil writing function or the circular ink marking function can be selected for use.

REFERENCES:
patent: 2591027 (1952-04-01), Nunez
patent: 3079894 (1963-03-01), Johmann
patent: 3336909 (1967-08-01), Diamond
patent: 4410290 (1983-10-01), Ito et al.
patent: 4580918 (1986-04-01), Baker et al.
patent: 5067837 (1991-11-01), Panopoulos
patent: 6155733 (2000-12-01), Holbrook
patent: 6213661 (2001-04-01), Coon
patent: 6481908 (2002-11-01), Lychwick
patent: WO 91/00810 (1991-01-01), None

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