Telephone bridge lifter block

- Porta Systems Corp.
Description

FIG. 1 is a front elevational view of a telephone bridge lifter block showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, as seen from the left hand portion of FIG. 2, the opposite side being symmetrical;

FIG. 4 is a vertical sectional view as seen from the plane 4--4 in FIG. 2;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D179994 April 1957 Wells et al.
D214160 May 1969 Beck
D214170 May 1969 Tresino et al.
D223365 April 1972 Beckwith
D271297 November 8, 1983 Gonsson
3497907 March 1970 Colina
3780351 December 1973 Salmon et al.
4012096 March 15, 1977 De Luca et al.
4176257 November 27, 1979 De Luca
4290661 September 22, 1981 Burns
Patent History
Patent number: D279897
Type: Grant
Filed: Aug 30, 1982
Date of Patent: Jul 30, 1985
Assignee: Porta Systems Corp. (Syosset, NY)
Inventors: Helmuth Neuwirth (Garden City, NY), George S. Rubio (West Covina, CA)
Primary Examiner: B. J. Bullock
Assistant Examiner: Horace B. Fay
Attorney: Charles E. Temko
Application Number: 6/412,862
Classifications
Current U.S. Class: D14/59; D13/32