USD326944SExpiredUtility

Section of a shaftless spiral conveyor

Assignee: SPIRAC ENG ABPriority: Sep 1, 1989Filed: Oct 10, 1989Granted: Jun 9, 1992

Est. expirySep 1, 2009(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The new design for a section of a shaftless spiral conveyor, as shown and described.

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