US PATENT SUBCLASS 440 / 78
.~.~ Propeller shaft housing
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
440 /
HD
MARINE PROPULSION
49
DF
SCREW PROPELLER
{12}
76
DF
.~ Propulsion unit casing {2}
78
.~.~ Propeller shaft housing
DEFINITION
Classification: 440/78
Propeller shaft housing:
(under subclass 76) Device wherein the sealed enclosure covers and contains the propeller shaft.