Appeal 2007-2127
Reexamination Control No. 90/006,621
17. Emitting an "error message" upon detection of an error as recited in
claims 40, 43, 49, 55, 56, and 61.
18. "Control procedures including cursor movement, screen scroll and
line deletion" as in claims 41, 42, and 51.
19. Checking code or words "for conformity" with the language as recited
in claims 51 and 61.
20. "Lexical and syntactic analyses for parsing the words of English
sentences" as recited in claim 62.
21. "Syntactic analyzer thread to determine whether said identifiers are
interrelated in accordance with predetermined rules of grammar" as recited
in claim 64.
22. Instructions "to form input data code" into groups or words as recited
in claims 78 and 79.
5. Level of skill in the art
23. The relevant level of ordinary skill in the art is determined as of the
filing date of the 1994 application.
24. The level of ordinary skill in the art related to "multithreading" is
evidenced by Krantz, OS/2: Features, Functions and Applications.
25. Krantz evidences that persons of ordinary skill in the art were familiar
with "multithreading" operating systems such as OS/2, were familiar with
the principles, operation, and advantages of multithreading, and knew how
to write multithreaded programs.
105
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