Pencil sharpener
Description
FIG. 1 is a perspective view of a pencil sharpener showing my new design;
FIG. 2 is a reduced scale right side elevational view, the left side being a mirror image thereof;
FIG. 3 is an inverted rear elevational view; and
FIG. 4 is a bottom plan view.
The characteristic feature of the design resides in the longitudinal grooves on the two opposite and identical sides.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D149356 | April 1948 | Widalof |
174320 | 1952 | ATX |
1033094 | 1958 | DEX |
Patent History
Patent number: D254858
Type: Grant
Filed: Feb 23, 1978
Date of Patent: Apr 29, 1980
Inventor: Werner Mobius (Erlangen)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Attorney: John Clarke Holman
Application Number: 5/880,350
Type: Grant
Filed: Feb 23, 1978
Date of Patent: Apr 29, 1980
Inventor: Werner Mobius (Erlangen)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Attorney: John Clarke Holman
Application Number: 5/880,350
Classifications