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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 73/449 - With carried thermometer or thermal compensator


Subclass of Class 73 - Measuring and testing
Definition: Devices including thermometer or thermal compensation element
No. of patents: 8
Last issue date: 06/12/2007


NumberTitleIssue Date
7229210Self-standing fish tank thermometer
A self-standing aquarium thermometer includes an impermeable self-standing housing disposed within an aquarium containing a predetermined volume of water, the self-standing housing has a lower cavity for receiving a weighting element, which has a predetermined weigh...
06/12/2007
7109035Synthetic urine and method of making same
A synthetic urine formulation, a kit including the synthetic urine formulation and a method of preparing synthetic urine are described. The urine formulation includes urine components in dried form, concentrated form or normal concentration and a compound that, when...
09/19/2006
6662653Sensor assemblies and methods of securing elongated members within such assemblies
An assembly and a method of securing elongated members within the assembly are provided. In particular, one or more particular elongated members which are adapted to contain a particular fluid may be affixed to a temperature-conducting (e.g., metallic) ar...
12/16/2003
5938885Automated method for monitoring and controlling the orthophosphoric acid etch rate of silicon nitride insulator layers
A method for continuously monitoring and controlling the etch rates within integrated circuits of silicon nitride insulator layers and silicon nitride insulator structures in aqueous ortho-phosphoric acid (H3PO4) solutions. To practice the method of the p...
08/17/1999
5621390Temperature actuated signaling and entertainment apparatus
A waterproof housing encases a radio and/or a television and/or a compact disc and/or a tape cassette player and speaker or other signaling and entertainment apparatus actuated by a programmable temperature actuated control and temperature indicator. A te...
04/15/1997
4987778Comparative temperature compensating specific gravity test apparatus
A comparative temperature compensating specific gravity test apparatus is disclosed including an indicator float element that has a predetermined specific gravity and is freely suspended in a homogeneous test liquid. The float element includes pliable, se...
01/29/1991
4590800Specific gravity indicator
A specific gravity indicator used for measuring the specific gravity of an aqueous liquid, which is a shaped article comprising a styrene homopolymer and a styrene-butadiene elastomer and having a specific gravity of 1.005 to 1.035. By the specific gravit...
05/27/1986
4338817Hydrometer with improved temperature compensation
For measuring the density of fluids whose densities lie within a predetermined range and whose coefficients of thermal expansion vary within this range, a stem hydrometer has a lower body volume which extends up to the lowest marking on the density scale ...
07/13/1982
 
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