Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Design Patent
2007-06-26
2007-06-26
Spear, Robert M. (Department: 2913)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Design Patent
active
29260756
CLAIM:
The ornamental design for a smoke alarm detector, as shown and described.
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patent: 2005/0030180 (2005-02-01), Pantus et al.
Eskin Leo
Holton MacLain M.
Klassen Michael S.
Roby Richard J.
Straus Albert E.
Combustion Science & Engineering, Inc.
DLA Piper (US) LLP
Kirschbaum, Jr. George D.
Spear Robert M.
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