US PATENT SUBCLASS 81 / 430
.~.~.~ Utilizing fluid to convey work
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
Terms of Use
81 /
HD
TOOLS
52
DF
WRENCH, SCREWDRIVER, OR DRIVER THEREFOR
{27}
54
DF
.~ Machine {10}
57.37
DF
.~.~ With feed or magazine means {6}
430
.~.~.~ Utilizing fluid to convey work
DEFINITION
Classification: 81/430
Utilizing fluid to convey work:
(under subclass 57.37) Feed means in which a fluid current is utilized to push the pieces of work towards the work-engaging and strain-exerting portion of the wrench or screwdriver.