USD323414SExpiredUtility

Section of a shaftless spiral conveyor

Assignee: SPIRAC ENG ABPriority: Nov 10, 1986Filed: May 10, 1989Granted: Jan 21, 1992
Est. expiryNov 10, 2006(expired)· nominal 20-yr term from priority
79
PatentIndex Score
19
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a section of a shaftless spiral conveyor, as shown and described.

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