USD247352SExpiredUtility

Infra-red radiometer

Assignee: WILLIAMSON CORPPriority: Oct 28, 1975Filed: Oct 28, 1975Granted: Feb 28, 1978

Est. expiryOct 28, 1995(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an infra-red radiometer, as shown.

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