Call button indicator and wall plate for elevators
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Description
FIG. 1 is a front elevational view of a call button indicator and wall plate for elevators showing our new design, with the broken lines showing environment only and forming no part of the claimed design;
FIG. 2 is a left side elevational view thereof, with the right side being a mirror image;
FIG. 3 is a top plan view thereof with the bottom being a mirror image; and
FIG. 4 is a perspective view thereof.
The broken lines shown in the drawings illustrate the wall environment on which the article is mounted and are not a part of the design.
Referenced Cited
U.S. Patent Documents
D121273 | July 1940 | Davis |
D185631 | July 1959 | Dreyfuss |
D186225 | September 1959 | Sims |
D197278 | January 1964 | Stevenson |
3237591 | March 1966 | Pichel |
Patent History
Patent number: D318632
Type: Grant
Filed: May 4, 1989
Date of Patent: Jul 30, 1991
Assignee: Otis Elevator Company (Farmington, CT)
Inventors: Richard R. Polacek (Simsbury, CT), Jean Youla (Hartford, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: William W. Jones
Application Number: 7/348,731
Type: Grant
Filed: May 4, 1989
Date of Patent: Jul 30, 1991
Assignee: Otis Elevator Company (Farmington, CT)
Inventors: Richard R. Polacek (Simsbury, CT), Jean Youla (Hartford, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: William W. Jones
Application Number: 7/348,731
Classifications
Current U.S. Class:
Elevator Signal Or Call Unit (D10/108)