Slide calculator for metal beam dimensions

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Description

FIG. 1 is a top plan view of a slide calculator for metal beam dimensions showing my new design; and

FIG. 2 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D253830 January 1, 1980 Wright
3136076 June 1964 Schott
3747847 July 1973 Cohen
4132348 January 2, 1979 Bromberg
Patent History
Patent number: D265209
Type: Grant
Filed: Aug 8, 1979
Date of Patent: Jun 29, 1982
Inventor: Francois Aiello (Martigues)
Primary Examiner: Leland A. Sebastian
Law Firm: Sandler & Greenblum
Application Number: 6/37,910
Classifications
Current U.S. Class: Slide Rule Type (D18/9)
International Classification: D1899;