Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Design Patent
2000-10-13
2001-09-18
Jackson, Marcus A. (Department: 2911)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Design Patent
active
D0447973
CLAIM:
The ornamental design for a five sided pyramid alarm unit, as shown and described.
REFERENCES:
patent: D. 339107 (1993-09-01), Van Genechten
patent: D. 425811 (2000-05-01), Dohrmann
Dohrmann Industries, Inc.
Jackson Marcus A.
Jones Waldo Holbrook & McDonough
Starkweather Michael W.
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