USD245999SExpiredUtility

Support block for chemical tower packing

Assignee: NORTON COPriority: Feb 12, 1975Filed: Feb 12, 1975Granted: Oct 4, 1977

Est. expiryFeb 12, 1995(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a support block for chemical tower packing as shown.

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