USD253747SExpiredUtility
Combination lock
Assignee: PRESTO LOCK COMPANY DIV OF WALTER KIDDE & COMPANY INCPriority: Oct 12, 1977Filed: Oct 12, 1977Granted: Dec 25, 1979
Est. expiryOct 12, 1997(expired)· nominal 20-yr term from priority
Inventors:Edward M. Stolarz
51
PatentIndex Score
4
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combination lock, as shown and described.
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