RICH, Judge.
This appeal is from the decision of the Patent and Trademark Office (PTO) Board of Appeals (board) affirming the rejection of claims 16-33 of appellants' application serial No. 469,295, filed May 13, 1974, for reissue of their patent No. 3,767,054, entitled "A Filter Tube Containing a Self-Sealing Filter Tube." We reverse.
The Invention
The appealed claims are directed to a cartridge filter, a method of sealing a filter tube in...
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