USD307588SExpiredUtility
Key unit housing for a telephone call processor
Assignee: AG COMMUNICATIONS SYSTEMS CORPPriority: May 23, 1988Filed: May 23, 1988Granted: May 1, 1990
Est. expiryMay 23, 2008(expired)· nominal 20-yr term from priority
35
PatentIndex Score
4
Cited by
20
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design of a key unit housing for a telephone call processor, as shown.
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