USD243510SExpiredUtility

Screw plug mounting for an electric immersion heater

77
Individually held — no corporate assignee on recordPriority: Mar 22, 1976Filed: Mar 22, 1976Granted: Mar 1, 1977
Est. expiryMar 22, 1996(expired)· nominal 20-yr term from priority
Inventors:Robert D. ShireyJoseph L. Lohman
77
PatentIndex Score
19
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a screw plug mounting for an electric immersion heater, substantially as shown.

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