USD251808SExpiredUtility

Shingle

49
Assignee: BIRD & SONPriority: Oct 6, 1976Filed: Oct 6, 1976Granted: May 8, 1979
Est. expiryOct 6, 1996(expired)· nominal 20-yr term from priority
Inventors:Clifford J. Patenaude
49
PatentIndex Score
7
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a shingle, as shown.

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