USD468007SExpiredUtility

Pleat spacer for air filter

35
Assignee: DONALDSON CO INCPriority: Oct 25, 1996Filed: Nov 12, 1997Granted: Dec 31, 2002
Est. expiryOct 25, 2016(expired)· nominal 20-yr term from priority
Inventors:Richard OsendorfTimothy J. Smith
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PatentIndex Score
2
Cited by
16
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pleat spacer for air filter, as shown and described.

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