Single hole punch

Details Single hole punch Single hole punch

2007-10-30

2007-10-30

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Design Patent

active

29231319

CLAIM:
The ornamental design for a single hole punch, as shown.

REFERENCES:
patent: 2251053 (1941-07-01), Hoffmann
patent: D191556 (1961-10-01), Fleming et al.
patent: D378834 (1997-04-01), Yuen
patent: D425560 (2000-05-01), Yuen
patent: D467778 (2002-12-01), Nolan
patent: D470889 (2003-02-01), Daley, Jr.
patent: D505606 (2005-05-01), Sinisi
patent: D529094 (2006-09-01), Weng
patent: 2005/0039590 (2005-02-01), Weng

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