Push button for an elevator

- Kone Osakeyhtio

FIG. 1 is a front perspective view of a push button for an elevator showing my new design, and

FIG. 2 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
2532228 November 1950 Hesh
3699294 October 1972 Sudduth
3899648 August 1975 Murata
Patent History
Patent number: D255667
Type: Grant
Filed: Apr 10, 1978
Date of Patent: Jul 1, 1980
Assignee: Kone Osakeyhtio (Helsinki)
Inventor: Pekka Perjo (Helsinki)
Primary Examiner: Susan J. Lucas
Attorney: Eric H. Waters
Application Number: 5/895,866
Current U.S. Class: Elevator Signal Or Call Unit (D10/108); D13/38
International Classification: D1006; D1303;