Ventilator for container

- Nishiyama Corporation
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Description

FIG. 1 is a perspective view of ventilator for containers showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end elevation view thereof;

FIG. 5 is an opposite end elevation thereof; and

FIG. 6 is a side elevation thereof, the opposite side being identical in appearance.

Referenced Cited
U.S. Patent Documents
D247508 March 14, 1978 Kujawa, Jr.
D258233 February 10, 1981 Taylor et al.
D266923 November 16, 1982 Parks et al.
4196657 April 8, 1980 Crongeyer et al.
4300440 November 17, 1981 Holter
Patent History
Patent number: D288121
Type: Grant
Filed: May 25, 1984
Date of Patent: Feb 3, 1987
Assignee: Nishiyama Corporation
Inventors: Masaki Takahashi (Kawasaki), Shigeo Mizuno (Yamato)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Darby & Darby
Application Number: 6/614,340
Classifications
Current U.S. Class: D23/139; D23/153