US PATENT SUBCLASS 144 / 29
.~ Piano-hammer felting

Current as of: June, 1999
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144 /   HD   WOODWORKING

2.1  DF  SPECIAL-WORK MACHINE {34}
29.~ Piano-hammer felting

DEFINITION

Classification: 144/29

Piano-hammer felting:

(under subclass 2.1) Machine adapted to fold glue-covered felt about and secure it by pressure to a piano-hammer.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

349+, for surface laminating apparatus, in general.