Attachment tool for a straight edge or tape measure for marking or facilitating the marking of straight or arcuate lines

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Description

FIG. 1 is a perspective view of a attachment tool for a straight edge or tape measure for marking or facilitating the marking of straight or arcuate lines embodying my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an inverted rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
1572237 February 1926 Hunt
2621409 December 1952 Dvorak
Foreign Patent Documents
5372 of 1909 GBX
Patent History
Patent number: D256340
Type: Grant
Filed: Sep 19, 1977
Date of Patent: Aug 12, 1980
Inventor: Daniel M. Spohn, Jr. (Swartz Creek, MI)
Primary Examiner: Peter Feldman
Attorney: Ernest I. Gifford
Application Number: 5/834,832
Classifications
Current U.S. Class: Element Or Attachment (4) (D10/74); 33/27C
International Classification: D1004;