Writing instrument

Details Writing instrument Writing instrument

2007-11-20

2007-11-20

Walczak, David J. (Department: 3751)

Coating implements with material supply

Projectable and retractable tool

Manually reciprocable sleeve

C401S115000

Reexamination Certificate

active

10545876

ABSTRACT:
A ball point pen has a retractable ink container (13) and writing tip (12) that are releasably held in the extended position by a locking element (19) freely movable in a transparent enclosure (18) at the remote end of the barrel (11). The locking element (19) may have the appearance of a football or golf ball. In another embodiment the locking element is elongated and has flat sides that may carry advertising or promotional markings.

REFERENCES:
patent: 2605746 (1952-08-01), Kahn et al.
patent: 2757639 (1956-08-01), Wichmann
patent: 2870741 (1959-01-01), Kersten
patent: 4469462 (1984-09-01), Hashimoto et al.
patent: 6585441 (2003-07-01), Shamitoff
patent: 52733 (1889-12-01), None
patent: 1 100962 (1955-09-01), None
patent: 1 127 686 (1956-12-01), None
British Search Report for British Application No. GB 0303670.4; Date of Search Mar. 17, 2003.
International Search Report for PCT Application No. PCT/GB2004/000289; Filed Jan. 23, 2004; Date of Completion May 3, 2004; Date of Mailing Jul. 1, 2004.

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