USD478547SExpiredUtility

High intensity discharge lamp ballast

Assignee: POWERSELECT INCPriority: May 31, 2002Filed: May 31, 2002Granted: Aug 19, 2003

Est. expiryMay 31, 2022(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a high intensity discharge lamp ballast, as shown and described.

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