USD287264SExpiredUtility

Side door casing spool for an oilwell casing

Assignee: RINALDO MARIONPriority: Apr 25, 1983Filed: Apr 25, 1983Granted: Dec 16, 1986

Est. expiryApr 25, 2003(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a side door casing spool for an oilwell casing, as shown and described.

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