Power transfer block for telephone systems or similar device

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Description

FIG. 1 is a front and upper left perspective view of a power transfer block for telephone systems or similar device showing our new design with the cover partially open;

FIG. 2 is a front elevational view of power transfer block for telephone systems or similar device showing our new design with the cover fully open;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view of a power transfer block for telephone systems or similar device showing our new design with the cover partially open;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right side elevational view of a power transfer block for telephone systems or similar device showing our new design with the cover fully closed;

FIG. 7 is a top plan view thereof;

FIG. 8 is a rear elevational view thereof; and,

FIG. 9 is a left side elevational view thereof.

The terminals are partially shown in FIGS. 4 and 6 for convenience of illustration.

Referenced Cited
U.S. Patent Documents
D248096 June 6, 1978 Stupay
D276426 November 20, 1984 De Luca et al.
D297232 August 16, 1988 Gazzo
D299492 January 24, 1989 Gregson
D314385 February 5, 1991 Karan et al.
D721295 January 20, 2015 De Luca et al.
3784728 January 1974 De Bortoli et al.
4651340 March 17, 1987 Marson
4796289 January 3, 1989 Masor
Patent History
Patent number: D326266
Type: Grant
Filed: Aug 10, 1990
Date of Patent: May 19, 1992
Assignee: Porta Systems Corp. (Syosset, NY)
Inventors: Helmuth Neuwirth (Garden City, NY), Carmine Cupani (Smithtown, NY), Michael Mattei (Smithtown, NY)
Primary Examiner: Susan J. Lucas
Assistant Examiner: J. Sincavage
Attorney: Charles E. Temko
Application Number: 7/565,326