USD471623SExpiredUtility

Safety filter element for engine air cleaner

Assignee: DONALDSON CO INCPriority: Dec 4, 2000Filed: Dec 4, 2000Granted: Mar 11, 2003

Est. expiryDec 4, 2020(expired)· nominal 20-yr term from priority

PatentIndex Score

116

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for safety filter element for engine air cleaner, as shown and described.

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