Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Design Patent
2000-04-27
2001-01-30
Jackson, Marcus A. (Department: 2911)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
Design Patent
active
D0436880
CLAIM:
The ornamental design for a balloon signal unit, as shown and described.
REFERENCES:
patent: D. 313767 (1991-01-01), Rosebush et al.
patent: D. 353344 (1994-12-01), Banks
patent: D. 353784 (1994-12-01), Mattoon et al.
patent: D. 367826 (1996-03-01), Ball et al.
patent: 3250241 (1966-05-01), Zevy et al.
Goldstein & Canino
Jackson Marcus A.
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