FIG. 1 is a front perspective view of a first embodiment of a lamp base unit showing our new design, including a rear lamp base unit and a lighting unit, both shown in broken lines for illustrative purposes only and forming no part of the claimed design;
FIG. 2 is a front perspective view of the lamp base unit of FIG. 1;
FIG. 3 is a front elevational view of the lamp base unit of FIG. 2;
FIG. 4 is a left side elevational of the lamp base unit of FIG. 2;
FIG. 5 is a right side elevational of the lamp base unit of FIG. 2;
FIG. 6 is a bottom plan view of the lamp base unit of FIG. 2;
FIG. 7 is top plan view of the lamp base unit of FIG. 2;
FIG. 8 is a rear elevational view of the lamp base unit of FIG. 2;
FIG. 9 is a front perspective view of a second embodiment of the lamp base unit showing our new design, including a rear lamp base unit and a lighting unit, both shown in broken lines for illustrative purposes only and forming no part of the claimed design;
FIG. 10 is a front perspective view of the lamp base unit of FIG. 9;
FIG. 11 is a front elevational view of the lamp base unit of FIG. 10;
FIG. 12 is a left side elevational of the lamp base unit of FIG. 10;
FIG. 13 is a right side elevational of the lamp base unit of FIG. 10;
FIG. 14 is a bottom plan view of the lamp base unit of FIG. 10;
FIG. 15 is top plan view of the lamp base unit of FIG. 10;
FIG. 16 is a rear elevational view of the lamp base unit of FIG. 10;
FIG. 17 is a front perspective view of a third embodiment of the lamp base unit showing our new design, including a rear lamp base unit and a lighting unit, both shown in broken lines for illustrative purposes only and forming no part of the claimed design;
FIG. 18 is a front perspective view of the lamp base unit of FIG. 17;
FIG. 19 is a front elevational view of the lamp base unit of FIG. 18;
FIG. 20 is a left side elevational of the lamp base unit of FIG. 18;
FIG. 21 is a right side elevational of the lamp base unit of FIG. 18;
FIG. 22 is a bottom plan view of the lamp base unit of FIG. 18;
FIG. 23 is top plan view of the lamp base unit of FIG. 18;
FIG. 24 is a rear elevational view of the lamp base unit of FIG. 18;
FIG. 25 is a front perspective view of a fourth embodiment of the lamp base unit showing our new design, including a rear lamp base unit and a lighting unit, both shown in broken lines for illustrative purposes only and forming no part of the claimed design;
FIG. 26 is a front perspective view of the lamp base unit shown of FIG. 25;
FIG. 27 is a front elevational view of the lamp base unit of FIG. 26;
FIG. 28 is a left side elevational of the lamp base unit of FIG. 26;
FIG. 29 is a right side elevational of the lamp base unit of FIG. 26;
FIG. 30 is a bottom plan view of the lamp base unit of FIG. 26;
FIG. 31 is top plan view of the lamp base unit of FIG. 26;
FIG. 32 is a rear elevational view of the lamp base unit of FIG. 26;
FIG. 33 is a front perspective view of a fifth embodiment of the lamp base unit showing our new design, including a rear lamp base unit and a lighting unit, both shown in broken lines for illustrative purposes only and forming no part of the claimed design;
FIG. 34 is a front perspective view of the lamp base unit of FIG. 33;
FIG. 35 is a front elevational view of the lamp base unit of FIG. 34;
FIG. 36 is a left side elevational of the lamp base unit of FIG. 34;
FIG. 37 is a right side elevational of the lamp base unit of FIG. 34;
FIG. 38 is a bottom plan view of the lamp base unit of FIG. 34;
FIG. 39 is top plan view of the lamp base unit of FIG. 34; and,
FIG. 40 is a rear elevational view of the lamp base unit of FIG. 34.
