Heavy duty paper punch
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FIG. 1 is a front perspective view of a heavy duty paper punch showing my new design;
FIG. 2 is a top plan view thereof; and
FIG. 3 is a rear elevational view thereof.
The bottom of the heavy duty paper punch is plain and unornamented.
U.S. Patent Documents
|4036088||July 19, 1977||Ruskin|
- Bainbridge, Kimpton & Haupt Cat., 1962, p. 351, Items 51, 58, 57, 53.
Current U.S. Class: Perforating Or Cutting (13) (D19/72)