Duct work support

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Description

FIG. 1 is a front elevational view of an assembled duct work support showing my new design;

FIG. 2 is a side elevational view thereof; and

FIG. 3 is a perspective view.

Referenced Cited
U.S. Patent Documents
1561850 November 1925 Guttman
1784244 December 1930 Morris
2716043 August 1955 Baril
2889145 June 1959 Hoffman
Patent History
Patent number: D256216
Type: Grant
Filed: Apr 11, 1978
Date of Patent: Aug 5, 1980
Inventors: James P. Van Horn (Mundelein, IL), Vincent J. Rossi (Mundelein, IL)
Primary Examiner: Peter Feldman
Attorney: Gildo E. Fato
Application Number: 5/895,299
Classifications
Current U.S. Class: D 8/71; Suspended Holder (269/46); Adjustable Vertically (248/59)
International Classification: D0805;