Appeal 2007-4073
Application 10/739,417
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2
3 The above figure depicts a plunger that includes the following parts:
4 401 Upper barrel
5 402 Lower barrel
6 405 Stop collar
7 406 Disk
8 407 Unidirectional seal
9 408 Support Post
10 409 Threads
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12 (‘417 Specification, ¶¶ 88-89 and Figure 42).
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14 3) Leaphart ‘417 describes the function and structure of its plunger
15 having a unidirectional seal as follows:
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Last modified: September 9, 2013