Up and down directional signal for an elevator

- Kone Osakeyhtio
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Description

FIG. 1 is a front perspective view of an up and down directional signal for an elevator showing my new design, and

FIG. 2 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
1517133 November 1924 Van Bloem
1819247 August 1931 Kinnard
Foreign Patent Documents
213989 April 1924 GBX
Patent History
Patent number: D255105
Type: Grant
Filed: Apr 10, 1978
Date of Patent: May 27, 1980
Assignee: Kone Osakeyhtio (Helsinki)
Inventor: Pekka Perjo (Helsinki)
Primary Examiner: Susan J. Lucas
Law Firm: Haseltine, Lake & Waters
Application Number: 5/895,868
Classifications
Current U.S. Class: Elevator Signal Or Call Unit (D10/108); D10/109; Plural Distinct Light Sources, Or Provision Therefor (15) (D26/80)
International Classification: D1006; D2605;