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The ornamental design for a detector for opening or maintaining automatic doors. |
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FIG. 1 is a front view of a detector for opening or maintaining automatic doors.
FIG. 2 is a rear view of the FIG. 1 detector.
FIG. 3 is a left side view of the FIG. 1 detector.
FIG. 4 is a right side view of the FIG. 1 detector.
FIG. 5 is a top view of the FIG. 1 detector; and,
FIG. 6 is a bottom view of the FIG. 1 detector.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
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| D339108, | Nov 15 1991 | Novitas, Incorporated | Housing for an ultrasonic wall switch |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 07 1997 | B.E.A. s.a. | (assignment on the face of the patent) | / | |||
| Jan 25 1999 | VAN GENECHTEN, MICHEL | B E A S A | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009805 | /0145 |
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