USD314557SExpiredUtility

Telephone surge suppressor

Assignee: POWER INTEGRITY CORPPriority: Feb 15, 1990Filed: Feb 15, 1990Granted: Feb 12, 1991

Est. expiryFeb 15, 2010(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a telephone surge suppressor, as shown and described.

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