USD251484SExpiredUtility

Electrical testing instrument

Assignee: PHIFER EARL COOPERPriority: Apr 8, 1977Filed: Apr 8, 1977Granted: Apr 3, 1979

Est. expiryApr 8, 1997(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for electrical testing instrument, substantially as shown.

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