Measuring – testing – or signalling instruments – Security or signal instrument or casing – Buoy
Design Patent
2005-04-26
2005-04-26
Holtje, Nelson C. (Department: 2913)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Buoy
Design Patent
active
D0504344
CLAIM:
The ornamental design for a stackable buoy, as shown and described.
REFERENCES:
patent: 1080633 (1913-12-01), Husch
patent: 3060463 (1962-10-01), Pentzien
patent: 3605149 (1971-09-01), Keats
patent: 3698025 (1972-10-01), Worobel
patent: 3702014 (1972-11-01), Rabon et al.
patent: 4777627 (1988-10-01), Congdon
patent: 5593331 (1997-01-01), Duren
patent: 6536364 (2003-03-01), McDermott
patent: D475085 (2003-05-01), Whitehorn
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