USD308193SExpiredUtility
Level sensing switch
Individually held — no corporate assignee on recordPriority: May 1, 1987Filed: May 1, 1987Granted: May 29, 1990
Est. expiryMay 1, 2007(expired)· nominal 20-yr term from priority
Inventors:Mark K. Gaalswyk
66
PatentIndex Score
11
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a level sensing switch, as shown and described.
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