Appeal No. 1999-1789
Application No. 08/920,652
of ordinary skill in the art the obviousness of the
invention as set forth in claims 15-21. Accordingly, we
reverse.
With respect to independent claims 15, 20, and 21,
the Examiner attempts to modify the remote control
doorbell disclosure of Levinson which discloses a single
push button doorbell switch 20 which simultaneously
activates a doorbell chime 22 and a radio transmitter 26
(Levinson, Figure 1). According to the Examiner,
Levinson discloses the claimed invention except that
there is no disclosure of a
“ . . . push button switch assembly including a pair of
first and second normally open and electrically
independent switches and a manually actuated push button
. . . for simultaneously moving the first and second
switches in response to movement of the push button.”
(Answer, pages 4-5). The Examiner nevertheless suggests
the obviousness to the skilled artisan of using a pair of
switches rather than the single switch of Levinson since
Levinson’s single doorbell switch is “ . . . functionally
equivalent to the claimed the [sic] pair of first and
second switches because both the single switch and the
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