Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Design Patent
2000-08-16
2001-07-10
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
Design Patent
active
D0444723
CLAIM:
The ornamental design for an air pressure regulator, as shown and described.
REFERENCES:
patent: D. 301917 (1989-06-01), Ogasawara et al.
patent: 6161573 (2000-12-01), Sheng
AR1000-6000, pp. 925-926.
RB500, pp. 1-2.
Davis Antoine Duval
Koganei Corporation
McCormick Paulding & Huber LLP
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