Ex parte AHRENS - Page 2
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Board of Patent Appeals and Interferences > 2000 > Ex parte AHRENS - Page 2
Appeal No. 1998-1053
Application No. 07/974,832
Claims 12 and 13 have been canceled.
Appellant's invention relates to the manufacture of
fibrous webs in which a foamed fiber-containing slurry
(a.k.a., a foamed furnish) is deposited on a moving support to
form a continuous web that is further treated to form a
product such as tissue paper (specification, page 1). More
specifically, the invention is directed to a method of
controlling the jet of foamed furnish leaving the pressurized
headbox of a paper or tissue making machine. A copy of
representative claims 1, 10, 14, 24, 26, 29 and 35, as
reproduced from the Appendix to appellant's brief, is attached
to this decision.
The prior art references relied upon by the examiner in
rejecting the appealed claims are:
Justus 4,086,130 Apr. 25,
1978
Lebeau et al. (Lebeau) 4,374,703 Feb. 22,
1983
Stotz 4,384,922 May 24,
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Last modified: November 3, 2007
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