Pen with dual extension/retraction cartridges

Details Pen with dual extension/retraction cartridges Pen with dual extension/retraction cartridges

2008-01-27

2009-02-24

Walczak, David J (Department: 3751)

Coating implements with material supply

Plural tools including projectable and retractable tool

C401S034000

Reexamination Certificate

active

07494294

ABSTRACT:
A pen with dual extension/retraction cartridges includes two pen tubes where each of a first pen tube and a second pen tube has a pen tip portion and a pen end portion and a writing insertion plate disposed inside the pen tube near the pen tip portion; and a guiding tube disposed at the pen end portion of the first pen tube having an elastic plate disposed at one side and a positioning fastener disposed at one side of the elastic plate and two positioning rings disposed at the peripheral of the guiding tube, and a guiding slot disposed at the pen end portion of the second pen tube where the guiding slot is provided with a positioning hole passing through one side and a fastener disposed around the peripheral of the guiding slot so that the first pen tube and the second pen tube are combined with the guiding tube and guiding slot respectively; and at least two cartridges inserted onto the writing insertion plates of the first pen tube and the second pen tube respectively.

REFERENCES:
patent: 3288116 (1966-11-01), Poritz
patent: 3985455 (1976-10-01), Wahlberg
patent: 4000950 (1977-01-01), Wahlberg

Affiliated with

Also associated with

Rating

Pen with dual extension/retraction cartridges does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pen with dual extension/retraction cartridges, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pen with dual extension/retraction cartridges will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4079276