Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Design Patent
2011-01-11
2011-01-11
Davis, Antoine D (Department: 2917)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
Design Patent
active
D0630536
CLAIM:
The ornamental design for a tube flow meter, as shown and described.
REFERENCES:
patent: 2476713 (1949-07-01), Emery
patent: 4016760 (1977-04-01), Taylor
patent: 4513604 (1985-04-01), Frantz et al.
patent: D283204 (1986-04-01), McDonald
patent: 6588447 (2003-07-01), Hendey
Davis Antoine D
Mikesell Richard L.
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