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The ornamental design for a demarcation telephone protector block, as shown and described. |
FIG. 1 is a front elevational view of a demarcation telephone protector block showing our new design;
FIG. 2 is a side elevational view thereof, as seen from the left hand portion of FIG. 1;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a vertical sectional view thereof on an enlarged scale as seen from the plane 6--6 in FIG. 1.
The terminals are partially shown in FIGS. 1, 2 and 6 for convenience of illustration.
Singer, Jr., Loren A., Atun, Albert, DeLuca, Paul V.
Patent | Priority | Assignee | Title |
D287963, | Apr 16 1984 | Porta Systems Corp. | Telephone building entrance terminal |
D297531, | Aug 25 1986 | Porta Systems Corp. | Telephone protector block |
D314552, | Oct 01 1987 | Porta Systems Corp. | Telephone connector block or similar article |
D315566, | Jan 15 1988 | Porta Systems Corp. | Telephone circuit connecting device |
D317297, | Dec 28 1988 | The Siemon Company | Modular jack patch block |
D326266, | Aug 10 1990 | Porta Systems Corp. | Power transfer block for telephone systems or similar device |
Patent | Priority | Assignee | Title |
3957335, | Jul 26 1974 | Reliable Electric Company | Terminal block assembly |
D249789, | Mar 31 1977 | Porta Systems Corp. | Telephone connector block |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 19 1982 | DE LUCA, PAUL V | PORTA SYSTEMS CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 004028 | /0191 | |
Jul 19 1982 | SINGER, LOREN A JR | PORTA SYSTEMS CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 004028 | /0191 | |
Jul 19 1982 | ATUN, ALBERT | PORTA SYSTEMS CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 004028 | /0191 | |
Jul 29 1982 | Porta Systems Corp. | (assignment on the face of the patent) | / | |||
Jun 24 1993 | PORTA SYSTEMS | Chemical Bank | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 006680 | /0415 |
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