USD287715SExpiredUtility

Direct current electric motors

Assignee: PENN ENG & MFG CORPPriority: Apr 15, 1983Filed: Apr 15, 1983Granted: Jan 13, 1987

Est. expiryApr 15, 2003(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for direct current electric motor, as shown and described.

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