USD452920SExpiredUtility

Roof tile

76
Assignee: BORAL LIFETILE INCPriority: Apr 15, 1997Filed: Mar 3, 1999Granted: Jan 8, 2002
Est. expiryApr 15, 2017(expired)· nominal 20-yr term from priority
Inventors:Alfonso V. AlvarezWoods W. BurnettEric Martin HahnWalter Arthur SchreifelsJoseph Edward SmithPatrick Gene Sullivan
76
PatentIndex Score
18
Cited by
63
References
1
Claims

Claims

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

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