Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RETRACTABLE FELT-TIPPED PEN
Document Type and Number:
WIPO Patent Application WO1999011471
Kind Code:
A3
Abstract:
A retractable felt-tipped pen (10) is disclosed which includes first (12) and second (14) cylindrical members movable with respect to each other and a pen nib (18) connected to one of the first (12) and second (14) cylinders. A flexible membrane (32) is connected to at least one of the first (12) and second (14) tubes and rotates inward on itself to engage the pen nib (18) in a closed condition to seal the pen nib (18) and rotates outward from itself to disengage the pen nib (18) for writing and/or the membrane (32) simply expands without rotation.

Inventors:
COON GEORGE (US)
Application Number:
PCT/US1998/018358
Publication Date:
October 28, 1999
Filing Date:
September 03, 1998
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
COON GEORGE (US)
International Classes:
B43K5/17; B43K8/00; B43K8/02; B43K24/02; (IPC1-7): B43K5/16
Foreign References:
US3583820A1971-06-08
US3525573A1970-08-25
Download PDF:



 
Previous Patent: IMPROVED FILE FOLDER-BINDER

Next Patent: STEEL BANDED SOLID TIRE