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Class Information
Number: 200/DIG.8
Name: Electricity: circuit makers and breakers > Disturbance
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
5854457 Tilting on-off switch Dec. 29, 1998
5742235 Vertical, unidirectional seismic switch Apr. 21, 1998
4644328 Buoyant alarm device Feb. 17, 1987
4528559 Seismic actuation system Jul. 9, 1985
4408196 Seismic alarm system Oct. 4, 1983
4333094 Swimming pool alarm Jun. 1, 1982
4214238 Seismic trigger Jul. 22, 1980
4017842 Swimming pool alarm system and method with adjustable sensitivity Apr. 12, 1977











 
 
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