Louvre opener

- Thermoforce Limited
Description

FIG. 1 is a perspective view of a louvre opener showing my new design;

FIG. 2 is an end elevational view taken from the left of FIG. 1;

FIG. 3 is an end elevational view taken from the right of FIG. 1;

FIG. 4 is a side elevational view of the side opposite that shown in FIG. 1; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D198202 May 1964 Morgan
D209901 January 1968 Fredricksen
2626529 January 1953 Quoss
3188074 June 1965 Revitz et al.
3189339 June 1965 Siciliano
3470764 October 1969 Frymire
3954023 May 4, 1976 Perez-Aguilar
Patent History
Patent number: D273089
Type: Grant
Filed: Sep 15, 1981
Date of Patent: Mar 20, 1984
Assignee: Thermoforce Limited (Cumbria)
Inventor: Albert Cole (Keswick)
Primary Examiner: B. J. Bullock
Law Firm: Shoemaker and Mattare, Ltd.
Application Number: 6/302,604
Classifications
Current U.S. Class: D/8400; D/8308