Appeal No. 1997-0153
Application No. 08/375,681
Claim 1 is directed to a filter cartridge comprising,
inter alia, a housing and a filter element that includes a
bonded sorbent filter element. Claim 1 further recites that
the filter element is compressed by the sleeve to form an
interference therewith.
Schlobohn discloses a respirator mask with easy-to-change
respirator filter (col. 1, lines 55-56). Schlobohm teaches a
respirator filter 2 held in contact with stop 12 by a cuff 7
having a rigid band portion 6 and an elastic sleeve 8 (Figure
1). Schlobohn does not disclose a specific type of respirator
filter, rather respirator filters are generally discussed
(col. 1, lines 55-68).
Braun discloses a respiratory mask having a rigid or
semi-rigid, insert molded filtration element. Braun teaches
that bonded absorbent filtration elements are known in the art
for use with a respiratory mask (col. 2, lines 26-34).
After the scope and content of the prior art are
4
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 Next
Last modified: November 3, 2007