Appeal No. 96-3021
Application 08/104,452
is noted in column 2, lines 55-64, the connection between the
device (8) and the barrel (1) is by way of a snug fit and three
or more set screws (10). Hoie, however, discloses a firearm
having a smooth bore barrel (a) and an attachment (k), wherein
the attachment is threadedly mounted to the muzzle end of the
barrel.
In our opinion, it would have been obvious to one of
ordinary skill in the art at the time of appellant's invention to
employ the more secure alternative threaded attachment of Hoie in
place of the set screws of Sargeant in securing the attachment
(8) of Sargeant to the barrel (1) of the shotgun therein.
Appellant's arguments in the brief, pages 4 and 5, are not
persuasive of any error on the examiner's part in combining the
teachings of Sargeant and Hoie. Contrary to appellant's
perception, it is not the attachment (k) of Hoie which the
examiner proposes adding to the shotgun barrel of Sargeant,
instead it is merely the examiner's position that it would have
been obvious to one of ordinary skill in the art to use the
threaded connection taught in Hoie as the means by which the
attachment (8) of Sargeant is secured to the barrel (1) therein.
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