USD243582SExpiredUtility
Screw plug mounting for an electric immersion heater
Individually held — no corporate assignee on recordPriority: Jul 10, 1975Filed: Jul 10, 1975Granted: Mar 8, 1977
Est. expiryJul 10, 1995(expired)· nominal 20-yr term from priority
Inventors:Robert D. Shirey
73
PatentIndex Score
13
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a screw plug mounting for an electric immersion heater, substantially as shown and described.
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