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The ornamental design for a push button lock module for attachment to a door knob, as shown and described. |
FIG. 1 is a left-front perspective view of a push button lock module for attachment to door knob showing our new design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
McGourty, Thomas K., McGourty, Lawrence F.
Patent | Priority | Assignee | Title |
D388308, | Dec 20 1996 | Mas-Hamilton Group | Electronic combination lock housing |
Patent | Priority | Assignee | Title |
3667261, | |||
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4274272, | Sep 22 1978 | Mechanical digital lock | |
4640110, | Sep 16 1985 | KABA ILCO CORP | Automatic delay relocking device |
D289971, | May 30 1985 | Carter Associates, Inc. | Protective guard for door handle |
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