USD290581SExpiredUtility

Tubular key

85
Individually held — no corporate assignee on recordPriority: Nov 1, 1985Filed: Nov 1, 1985Granted: Jun 30, 1987
Est. expiryNov 1, 2005(expired)· nominal 20-yr term from priority
Inventors:Donald R. Hughes
85
PatentIndex Score
24
Cited by
5
References
1
Claims

Claims

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

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