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The ornamental design for a door/window signal transmitter for alarm systems, as shown and described. |
FIG. 1 is a perspective view of a door/window signal transmitter for alarm systems showing our new design, with the wire broken away to indicate indeterminate length;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof, with the left side being a mirror image;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a front elevational view thereof.
Salander, Mark T., Wolff, Doug, Roberts, Ken, Conklin, Miles
Patent | Priority | Assignee | Title |
4059299, | Mar 03 1976 | Auxiliary portable lock | |
4339747, | Nov 13 1979 | Burglar alarm | |
D264564, | Aug 13 1979 | CERBERUS A G | Window alarm |
D307874, | Sep 17 1987 | Disys Corporation | Door/window intrusion detector transmitter |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 07 1989 | SALANDER, MARK T | AMWAY CORPORATION, A CORP OF MI | ASSIGNMENT OF ASSIGNORS INTEREST | 005230 | /0660 | |
Sep 08 1989 | ROBERTS, KEN | AMWAY CORPORATION, A CORP OF MI | ASSIGNMENT OF ASSIGNORS INTEREST | 005230 | /0659 | |
Sep 08 1989 | CONKLIN, MILES | AMWAY CORPORATION, A CORP OF MI | ASSIGNMENT OF ASSIGNORS INTEREST | 005230 | /0659 | |
Sep 08 1989 | WOLFF, DOUG | AMWAY CORPORATION, A CORP OF MI | ASSIGNMENT OF ASSIGNORS INTEREST | 005230 | /0659 | |
Sep 15 1989 | Amway Corporation | (assignment on the face of the patent) | / |
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