US PATENT SUBCLASS 84 / 239
.~.~.~.~.~ Grand
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
84 /
HD
MUSIC
1
DF
INSTRUMENTS
{9}
173
DF
.~ Stringed {10}
174
DF
.~.~ Pianos {19}
236
DF
.~.~.~ Hammers actions {3}
237
DF
.~.~.~.~ Horizontal {2}
239
.~.~.~.~.~ Grand
DEFINITION
Classification: 84/239
The modern standard action of the Herz- Erard type, in which the jack and repetition-lever both engage the nose on the
hammer.
(1) Note. For other types see this class, subclass 237.