Pencil sharpener
Description
FIG. 1 is a perspective view of a pencil sharpener showing my new design;
FIG. 2 is a reduced scale left side elevational view thereof;
FIG. 3 is an inverted rear elevational view thereof; and
FIG. 4 is a bottom plan view thereof.
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
Other references
D149356 | April 1948 | Jalof |
174320 | 1952 | ATX |
1033094 | 1958 | DEX |
- Bainbridge, Kimpton & Haupt 1962, p. 309 Item #5112-n.
Patent History
Patent number: D255127
Type: Grant
Filed: Feb 23, 1978
Date of Patent: May 27, 1980
Inventor: Werner Mobius (Erlangen)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Law Firm: Holman & Stern
Application Number: 5/880,349
Type: Grant
Filed: Feb 23, 1978
Date of Patent: May 27, 1980
Inventor: Werner Mobius (Erlangen)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Law Firm: Holman & Stern
Application Number: 5/880,349
Classifications