USD299155SExpiredUtility

Pair of step bar elements for an inclined walking beam-type bar screen employed in wastewater filtration

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Assignee: WALLANDER HYDROPRESS CO ABPriority: May 24, 1985Filed: Nov 19, 1985Granted: Dec 27, 1988
Est. expiryMay 24, 2005(expired)· nominal 20-yr term from priority
Inventors:Carl-Otto Wallander
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PatentIndex Score
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Cited by
7
References
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Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pair of step bar elements for an inclined walking beam-type bar screen employed in wastewater filtration, as shown and described.

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