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Class Information
Number: 440/19
Name: Marine propulsion > Oscillating propelling means > Having nonpropelling cycle segment > With means to move propelling element to nonpropelling position
Description: Device wherein a means is provided to shift the propelling element from its working position to its nonworking position.


Patents under this class:

Patent Number Title Of Patent Date Issued
5669793 Apparatus and method for propelling a water vehicle Sep. 23, 1997
4578038 Elongated propelling means for manually moving a sailing craft over the water surface Mar. 25, 1986
3970031 Floating oars Jul. 20, 1976
 
 
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