Elevator floor registration button
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Description
FIG. 1 is a front perspective view of an elevator floor registration button showing the new design;
FIG. 2 is a front view of the design;
FIG. 3 is a top view of the design; and
FIG. 4 is an elevational view of the left side of the design.
The numerals are shown in broken lines for illustrative purposes only. The button is stippled to show contrast between the button and plate and to indicate a gentle concave curvature in the face of the button.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D214705 | July 1969 | Brounn |
3952837 | April 27, 1976 | Rice |
175175 | February 1922 | GBX |
- Design, 11-1957, p. 67, Postal Letter Plate, (top).
Patent History
Patent number: D253940
Type: Grant
Filed: Apr 27, 1977
Date of Patent: Jan 15, 1980
Assignee: Westinghouse Electric Corp. (Pittsburgh, PA)
Inventor: Denis E. Bedel (Pittsburgh, PA)
Primary Examiner: Susan J. Lucas
Attorney: C. L. McHale
Application Number: 5/791,369
Type: Grant
Filed: Apr 27, 1977
Date of Patent: Jan 15, 1980
Assignee: Westinghouse Electric Corp. (Pittsburgh, PA)
Inventor: Denis E. Bedel (Pittsburgh, PA)
Primary Examiner: Susan J. Lucas
Attorney: C. L. McHale
Application Number: 5/791,369
Classifications