Fastener for perforated documents

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Description

FIG. 1 is a front elevational view of a fastener for perforated documents showing my new design;

FIG. 2 is a top plan view thereof; and

FIG. 3 is an inverted perspective view of FIG. 2.

Referenced Cited
U.S. Patent Documents
992255 May 1911 Rittenhouse
1303279 May 1919 Fisher
2323393 July 1943 Hartmann
Patent History
Patent number: D254623
Type: Grant
Filed: Jun 3, 1977
Date of Patent: Apr 1, 1980
Inventor: Ivo Plecko (61000 Ljubljana)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Attorney: Karl F. Ross
Application Number: 5/803,452
Classifications
Current U.S. Class: Office Equipment Not Elsewhere Specified (D19/65); Element Or Attachment (19) (D19/99)
International Classification: D1999;