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The ornamental design for a telephone instrument base, as shown and described. |
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FIG. 1 is a perspective view of a telephone instrument base, showing our new design;
FIG. 2 is a side elevation thereof, the opposite side being a mirror image of the side shown;
FIG. 3 is a front elevation thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a rear elevation thereof;
FIG. 6 is a perspective view of a second modified embodiment of the telephone instrument base shown in FIG. 1 in the form of a wall telephone instrument base;
FIG. 7 is a side elevation thereof, the opposite side being a mirror image of the side shown;
FIG. 8 is a top elevation thereof;
FIG. 9 is a front plan view thereof; and
FIG. 10 is a bottom elevation thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 22 1978 | GTE Automatic Electric Labs Inc. | (assignment on the face of the patent) | / | |||
| Dec 28 1988 | GTE Communication Systems Corporation | AG COMMUNICATION SYSTEMS CORPORATION, 2500 W UTOPIA RD , PHOENIX, AZ 85027, A DE CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 005060 | /0501 |
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