USD311951SExpiredUtility

Portable electric convection heater

Assignee: SLANT/FIN CORPPriority: Dec 21, 1988Filed: Dec 21, 1988Granted: Nov 6, 1990

Est. expiryDec 21, 2008(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a portable electric convection heater, as shown and described.

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