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
Other references
  • Porter Metal Products Directional Signs Catalog, .COPYRGT.1949, p. 7, Wall Mounted Exit Sign. Sweets Architectural Catalog File, 1976, Sec. 14.1/HA, p. 12, Elevator Signal.
Patent History
Patent number: D254484
Type: Grant
Filed: Apr 10, 1978
Date of Patent: Mar 18, 1980
Assignee: Kone Osakeyhtio (Helsinki)
Inventor: Pekka Perjo (Helsinki)
Primary Examiner: Susan J. Lucas
Law Firm: Haseltine, Lake & Waters
Application Number: 5/895,867
Classifications
Current U.S. Class: Elevator Signal Or Call Unit (D10/108)
International Classification: D1006;