USD301302SExpiredUtility

Key for door locks

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Assignee: MASCO BUILDING PRODUCTS CORPPriority: Jul 20, 1987Filed: Jul 20, 1987Granted: May 30, 1989
Est. expiryJul 20, 2007(expired)· nominal 20-yr term from priority
Inventors:Yukio Yamashita
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PatentIndex Score
3
Cited by
4
References
1
Claims

Claims

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

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