USD314425SExpiredUtility

Ventilating heater

57
Individually held — no corporate assignee on recordPriority: Sep 19, 1989Filed: Sep 19, 1989Granted: Feb 5, 1991
Est. expirySep 19, 2009(expired)· nominal 20-yr term from priority
Inventors:Allan E. BeaversRobert A. Fulcher
57
PatentIndex Score
7
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ventilating heater, as shown and described.

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