USD307479SExpiredUtility

Security door

16
Assignee: Daris Design CompanyPriority: Aug 20, 1987Filed: Aug 20, 1987Granted: Apr 24, 1990
Est. expiryAug 20, 2007(expired)· nominal 20-yr term from priority
Inventors:Richard BennettSteven B. EvansDamon A. Davis
16
PatentIndex Score
1
Cited by
4
References
1
Claims

Claims

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

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