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Class Information
Number: 441/91
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means > By pump
Description: Device wherein the means for causing the expansion is a pump.

Patents under this class:

Patent Number Title Of Patent Date Issued
5159961 Inflator/deflator accessory for air compressor Nov. 3, 1992
5074765 Elastomeric air pump Dec. 24, 1991
4242769 Anti-exposure inflatable structure Jan. 6, 1981

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