7 The expression “either A or B, but not both” in a patent specification or claim has the sense of:
(A) implying the presence of both A and B. (B) implying the presence of A or the presence of B, or the presence of A and B. (C) implying the presence of A or the presence of B, but not the presence of both A and B. (D) implying the absence of both A and B.
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