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The ornamental design for a double sheave lifting block, as shown and described. |
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FIG. 1 is a top perspective view of a double sheave lifting block showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a top plan view thereof; and
FIG. 8 is a bottom plan view thereof.
The broken lines shown in FIGS. 1 and 2 are for illustrative purposes only and form no part of the claimed design.
Lichtenvort, Uwe, Stoeber, Manfred
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 05 1985 | LICHTENVORT, UWE | Mannesmann DeMag AG | ASSIGNMENT OF ASSIGNORS INTEREST | 004459 | /0022 | |
| Sep 05 1985 | STOEBER, MANFRED | Mannesmann DeMag AG | ASSIGNMENT OF ASSIGNORS INTEREST | 004459 | /0022 | |
| Sep 16 1985 | Mannesmann DeMag AG | (assignment on the face of the patent) | / |
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