Twin-nibbed writing instrument
Description
FIG. 1 is a left front perspective view of a twin-nibbed writing instrument showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and
FIG. 8 is a left front perspective view with one of the cap members in a stored position.
Referenced Cited
U.S. Patent Documents
D248661 | July 25, 1978 | Kanawyer |
D289302 | April 14, 1987 | Powell |
D306316 | February 27, 1990 | Shintani |
D312658 | December 4, 1990 | Sumino |
D312659 | December 4, 1990 | Oka |
800587 | September 1905 | Merriam |
1463983 | August 1923 | Visitacion |
1846613 | February 1932 | Rosenthal |
3079895 | March 1963 | Gordon |
4702633 | October 27, 1987 | Schmidt |
4902151 | February 20, 1990 | Asano et al. |
Patent History
Patent number: D321905
Type: Grant
Filed: May 18, 1989
Date of Patent: Nov 26, 1991
Inventor: Charlie Tu (Taipei)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Application Number: 7/353,507
Type: Grant
Filed: May 18, 1989
Date of Patent: Nov 26, 1991
Inventor: Charlie Tu (Taipei)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Application Number: 7/353,507
Classifications