USD270857SExpiredUtility

Sector element for disk filter

31
Assignee: TAMFELT OY ABPriority: Sep 10, 1979Filed: Mar 7, 1980Granted: Oct 4, 1983
Est. expirySep 10, 1999(expired)· nominal 20-yr term from priority
Inventors:Holger Juutilainen
31
PatentIndex Score
2
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for sector element for disk filter, as shown and described.

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