Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Design Patent
2007-06-12
2007-06-12
Davis, Antoine D. (Department: 2915)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
Design Patent
active
29221416
CLAIM:
The ornamental design for a temperature trend indicator, as shown and described.
REFERENCES:
patent: 342222 (1886-05-01), Paull
patent: 409379 (1889-08-01), Ward
patent: 478964 (1892-07-01), Brandt
patent: 483662 (1892-10-01), Ward
patent: D288178 (1987-02-01), Henkels
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