USD418234SExpiredUtility

Intumescent seal

Assignee: NAT GUARD PRODUCTS INCPriority: Sep 9, 1998Filed: Sep 9, 1998Granted: Dec 28, 1999
Est. expirySep 9, 2018(expired)· nominal 20-yr term from priority
58
PatentIndex Score
10
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design of an intumescent seal, as shown and described.

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