Speaking port

- Simpson Timber Company
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Description

FIG. 1 is a front view of a door incorporating a speaking port showing our new design;

FIG. 2 is a front perspective view of the speaking port showing our new design;

FIG. 3 is a rear view thereof; and

FIG. 4 is a top view thereof.

The door is shown in broken lines in FIG. 1 for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
3871151 March 1975 Der Estephanian
3906698 September 1975 Oepping
4016699 April 12, 1977 Hurvitz
Patent History
Patent number: D248970
Type: Grant
Filed: Dec 20, 1976
Date of Patent: Aug 15, 1978
Assignee: Simpson Timber Company (Seattle, WA)
Inventors: William B. Hunt (Redmond, WA), William H. Heiderich (Seattle, WA)
Primary Examiner: A. Hugo Word
Attorney: Richard W. Seed
Application Number: 5/752,563
Classifications
Current U.S. Class: D25/52; D25/48; D25/53; D25/87
International Classification: D2502;