Triangular-shaped writing instrument with abrasive surface...

Details Triangular-shaped writing instrument with abrasive surface... Triangular-shaped writing instrument with abrasive surface...

2007-08-14

2007-08-14

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

29235360

CLAIM:
The ornamental design for a triangular-shaped writing instrument with abrasive surface on upper portion, as shown and described.

REFERENCES:
patent: D18491 (1888-07-01), Jones
patent: 587243 (1897-07-01), Sloan
patent: 653807 (1900-07-01), Hofstetter
patent: 1478049 (1923-12-01), Nelson
patent: 1677387 (1928-07-01), Gaidos
patent: D94106 (1934-12-01), Wooldridge
patent: 2075932 (1937-04-01), Ehrmann
patent: D174661 (1955-05-01), Simmons
patent: 2841156 (1958-07-01), Herald
patent: 3419336 (1968-12-01), Kirk
patent: 3764064 (1973-10-01), Gaidos et al.
patent: 4030841 (1977-06-01), Balasty
patent: D262147 (1981-12-01), Sussman
patent: D272421 (1984-01-01), Sandel
patent: D301043 (1989-05-01), Castle
patent: 4981382 (1991-01-01), Murphy
patent: 5090427 (1992-02-01), Sherts
patent: D342089 (1993-12-01), Anavil et al.
patent: D409656 (1999-05-01), Melnick
patent: D462988 (2002-09-01), Knudsen
patent: 6572299 (2003-06-01), Brennan
patent: D501031 (2005-01-01), Lecce

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