Up and down directional signal for an elevator
Latest Kone Osakeyhtio Patents:
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
Other references
1517133 | November 1924 | Van Bloem |
- 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
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