Fastener for perforated documents
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
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;
International Classification: D1999;