USD348269SExpiredUtility

Three-way call detector rack

75
Assignee: COMMUNICATION EQUIPMENT & ENG COMPANYPriority: Feb 24, 1993Filed: Feb 24, 1993Granted: Jun 28, 1994
Est. expiryFeb 24, 2013(expired)· nominal 20-yr term from priority
Inventors:Edward U. Chong
75
PatentIndex Score
24
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a three-way detector rack, as shown.

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