USD668712SActiveUtility

Drum chamber

Assignee: GATES DWAYNEPriority: Sep 23, 2010Filed: Sep 23, 2010Granted: Oct 9, 2012

Est. expirySep 23, 2030(~4.1 yrs left)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a drum chamber, as shown.

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