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Class 73/335.13 - Arcuate or elongated


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the humidity responsive means comprises
No. of patents: 3
Last issue date: 12/06/2005


NumberTitleIssue Date
6972142Card having multiple layers indicating relative humidity
A multi-layered card having a thin, flexible, non-moisture absorbable, printable first layer, a first high tack adhesive second layer on a back side of the first layer joining the first layer to a front face of a third layer of a moisture absorbable card stock. A ba...
12/06/2005
4667514Parameter sensors and monitors
Parameter sensors and monitors are described incorporating one of a variety of parameter responsive structures constructed and arranged for expansion and contraction causing a component of motion and displacement along at least one direction in response t...
05/26/1987
3937063Vapor pressure metering apparatus and method
An apparatus and method for continuously metering the vapor pressure of a gaseous component of a material within a gaseous mixture utilizing a saturation vapor pressure sensor having a linear dimension changeable with respect to changes in the saturation ...
02/10/1976
 
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