USD332488SExpiredUtility

Volatile substance heater unit

Assignee: JOHNSON & SON INC S CPriority: Apr 17, 1990Filed: Apr 17, 1990Granted: Jan 12, 1993
Est. expiryApr 17, 2010(expired)· nominal 20-yr term from priority
Inventors:John C. Martin
87
PatentIndex Score
31
Cited by
22
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a volatile substance heater unit as shown and described.

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