CPC B63H1/34
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CPC B63H1/34 is a patent class for "endless track" marine propulsion.[1][2]
- Patent subclass tree
- CPC B63H1/00 Propulsive elements directly acting on water (jet propulsion B63H11/00)
- CPC B63H1/02 of rotary type
- CPC B63H1/30 of non-rotary type
- CPC B63H1/32 Flaps, pistons, or the like, reciprocating in propulsive direction
- CPC B63H1/34 of endless-track type
References
- ↑ CPC B63H1/34 element at Espacenet web site
- ↑ CPC B63H1/34 element listed at USPTO
This wiki has 1 patents in category "CPC B63H1/34".
Patents in category CPC B63H1/34
- Patent FR-1910-413493.12986 (English title: Thruster for aircraft and motor boats, Inventors: Henri Soudan, Supplementary to patent: Patent FR-1910-413493, Filing date: 1910-08-02)
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