Telephone circuit connecting device
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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
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