Main key telephone system casing
Latest Nippon Tsushin Kogyo Kabushiki Kaisha Patents:
Description
FIG. 1 is a front elevational view of a main key telephone system casing showing my new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a left side elevational view;
FIG. 4 is a right side elevational view;
FIG. 5 is a top plan view;
FIG. 6 is a bottom plan view; and
FIG. 7 is a left side and front perspective view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D170070 | July 1953 | Silver et al. |
D218753 | September 1970 | Lauer |
D261652 | November 3, 1981 | Deschamps |
D265991 | August 31, 1982 | Trussler |
D269605 | July 5, 1983 | Provanzano et al. |
D273865 | May 15, 1984 | Caven et al. |
D278058 | March 19, 1985 | Larson |
2797800 | July 1957 | Sider |
- Airco "Welding Machines", Catalog 201 1980, Showing of Sundry Welding Equipment, cover to p. 9. Melco Labs. Ad Sheet fee "Unit Tel Key" KL-20-Two Link Intercom Adapter Box, .COPYRGT.1977.
Patent History
Patent number: D282541
Type: Grant
Filed: Jul 21, 1983
Date of Patent: Feb 11, 1986
Assignee: Nippon Tsushin Kogyo Kabushiki Kaisha (Kanagawa)
Inventor: Hideaki Yasuda (Kawasaki)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 6/515,986
Type: Grant
Filed: Jul 21, 1983
Date of Patent: Feb 11, 1986
Assignee: Nippon Tsushin Kogyo Kabushiki Kaisha (Kanagawa)
Inventor: Hideaki Yasuda (Kawasaki)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 6/515,986
Classifications
Current U.S. Class:
D14/52;
D14/60