USD277310SExpiredUtility

Electrostatic filter

19
Assignee: JACOBSSON BERTILPriority: Dec 15, 1981Filed: Jun 11, 1982Granted: Jan 22, 1985
Est. expiryDec 15, 2001(expired)· nominal 20-yr term from priority
Inventors:Bertil Jacobsson
19
PatentIndex Score
1
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electrostatic filter, substantially as shown and described.

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