USD253335SExpiredUtility

Magnetic door stop

57
Individually held — no corporate assignee on recordPriority: Apr 20, 1977Filed: Apr 20, 1977Granted: Nov 6, 1979
Est. expiryApr 20, 1997(expired)· nominal 20-yr term from priority
Inventors:Ralph J. GauntnerAlec A. Shilin
57
PatentIndex Score
11
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a magnetic door stop, as shown and described.

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