Pencil sharpener

Details Pencil sharpener Pencil sharpener

2010-03-01

2011-10-18

Albert, Elizabeth (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Design Patent

active

D0647140

CLAIM:
The ornamental design for a pencil sharpener, as shown and described.

REFERENCES:
patent: 199448 (1878-01-01), Keyes
patent: 786395 (1905-04-01), Zellers
patent: 936910 (1909-10-01), Kingsley
patent: D46404 (1914-09-01), Lougee
patent: 1158871 (1915-11-01), Tomlin
patent: D67239 (1925-05-01), Skinner
patent: 1581972 (1926-04-01), Mason
patent: 2517665 (1950-08-01), Hochstein
patent: 3450226 (1969-06-01), Kessler
patent: D223703 (1972-05-01), Cheladze
patent: D223704 (1972-05-01), Cheladze
patent: 4125218 (1978-11-01), DeBoer
patent: D283772 (1986-05-01), Vail
patent: 4613012 (1986-09-01), Mueller, III
patent: 4703829 (1987-11-01), Hardt
patent: 5094317 (1992-03-01), Ladendorf
patent: D338464 (1993-08-01), Darby
patent: 5675133 (1997-10-01), Kobayashi
patent: D403399 (1998-12-01), Montgomery et al.
patent: 5967405 (1999-10-01), Hanauska
patent: 5967875 (1999-10-01), Graef
patent: D447915 (2001-09-01), Lefroy-Brooks
patent: D471926 (2003-03-01), Allen
patent: D548526 (2007-08-01), Huffman et al.
patent: D559830 (2008-01-01), Lintern
patent: D587402 (2009-02-01), Priester et al.
patent: D620314 (2010-07-01), Dorsey et al.
patent: D623961 (2010-09-01), Maccario
patent: 2006/0266579 (2006-11-01), Stern et al.

Affiliated with

Also associated with

Rating

Pencil sharpener does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pencil sharpener, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pencil sharpener will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4254628