Air supply register

Description

FIG. 1 is a front perspective view of an air supply register showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front perspective view of a second embodiment of an air supply register; and

FIG. 4 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D277312 January 22, 1985 Williamson et al.
D279601 July 9, 1985 Sexton
2525157 October 1950 Trane
3512470 May 1970 Warren, Jr.
3736858 June 1973 Mercier
4345510 August 24, 1982 Sterett
Patent History
Patent number: D284996
Type: Grant
Filed: Feb 6, 1984
Date of Patent: Aug 5, 1986
Inventor: Knut E. Bergdahl (S-852 52 Sundsvall)
Primary Examiner: James R. Largen
Assistant Examiner: Brian N. Vinson
Law Firm: Browdy and Neimark
Application Number: 6/577,259
Classifications
Current U.S. Class: D23/141