USD289813SExpiredUtility

Frame for dust filter bags

33
Assignee: FLAEKT ABPriority: Jun 14, 1984Filed: Dec 11, 1984Granted: May 12, 1987
Est. expiryJun 14, 2004(expired)· nominal 20-yr term from priority
Inventors:Staffan JanssonJan SandbergHakan ArvidsonSvante O. Berglund
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PatentIndex Score
2
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a frame for dust filter bags, substantially as shown.

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