USD454337SExpiredUtility

Photo-responsive lamp switching apparatus

Assignee: PACIFIC SCIENTIFIC COPriority: Mar 20, 2000Filed: Mar 20, 2000Granted: Mar 12, 2002

Est. expiryMar 20, 2020(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a photo-responsive lamp switching apparatus, as shown and described.

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