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Class 236/26C - Pressure responsive elements per se


Subclass of Class 236 - Automatic temperature and humidity regulation
No. of patents: 1
Last issue date: 11/05/1985


NumberTitleIssue Date
4550833Variable-volume receptacle, especially for use as a compensating receptacle in building heating systems
A variable-volume receptacle, especially for use as a compensating receptacle in heating systems. The receptacle includes two membrane-like sheets of rubber or synthetic material; the sheets have the same surface areas, and are placed against one another.... 		11/05/1985
 
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