Appeal No. 95-4860
Application No. 08/044,923
the provisions of 37 CFR § 1.196(b), we will enter new
rejections of claim 18.
The appellant’s invention pertains to a temporary
pipeline plug. Independent claim 12 is further illustrative
of the appealed subject matter and reads as follows:
12. For use in forming a temporary closure and seal of a
pipeline end defining an inner diameter, a major axis and an
inner surface, a pipeline plug comprising:
an elongated support shaft having first and second
ends;
an expandable seal supported at said first end;
an anchor larger than said inner diameter removably
supported at said second end;
means for expanding said expandable seal from said second
end;
an intermediate support coupled to said support shaft
between said first and second ends having a portion contacting
said pipeline at said inner surface to form a support for said
elongated support shaft to maintain alignment of said support
shaft and said major axis of said pipeline during and
following removal of said anchor.
The references relied on by the examiner are:
O’Connor 551,598 Dec. 17, 1895
Leroy 2,475,748 July 12, 1949
Grunsky 2,824,577 Feb. 25, 1958
Streich 4,178,967 Dec. 18, 1979
2
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