USD639902SActiveUtility

Sealing structure for blocking an opening

31
Assignee: CALDWELL TANKS INCPriority: May 25, 2010Filed: May 25, 2010Granted: Jun 14, 2011
Est. expiryMay 25, 2030(~3.8 yrs left)· nominal 20-yr term from priority
Inventors:Mark AmmonsDonald W. Shepherd
31
PatentIndex Score
1
Cited by
34
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a sealing structure for blocking an opening, as shown and described.

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