Telephone circuit connecting device

- Porta Systems Corp.
Description

FIG. 1 is a front elevational view of a telephone circuit connecting device showing our new design;

FIG. 2 is a side elevational view thereof as seen from the right-hand portion of FIG. 1;

FIG. 3 is a side elevational view thereof showing the side opposite that seen in FIG. 2;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D241034 August 1976 De Luca
D246581 December 6, 1977 De Luca
D249789 October 3, 1978 De Luca
D271100 October 25, 1983 Hollfelder
D271295 November 8, 1983 De Luca et al.
D271965 December 27, 1983 Hollfelder
D273289 April 3, 1984 Hollfelder
D273290 April 3, 1984 Hollfelder
D276426 November 20, 1984 De Luca et al.
D276605 December 4, 1984 Neuwirth
D276606 December 4, 1984 Neuwirth
D285433 September 2, 1986 De Luca et al.
D297232 August 16, 1988 Gazzo
D297531 September 6, 1988 De Luca
1371874 March 1921 Ditch et al.
4012096 March 15, 1977 De Luca et al.
4658418 April 14, 1987 Rodgers
Patent History
Patent number: D315566
Type: Grant
Filed: Jan 15, 1988
Date of Patent: Mar 19, 1991
Assignee: Porta Systems Corp. (Syosset, NY)
Inventors: Paul V. De Luca (Plandome Manor, NY), Helmuth Neuwirth (Garden City, NY)
Primary Examiner: Horace B. Fay, Jr.
Attorney: Charles E. Temko
Application Number: 7/144,082
Classifications