USD330431SExpiredUtility

Aluminum extrusion

70
Assignee: COBBS MFG COMPANYPriority: May 31, 1989Filed: May 31, 1989Granted: Oct 20, 1992
Est. expiryMay 31, 2009(expired)· nominal 20-yr term from priority
Inventors:Castle Wang
70
PatentIndex Score
20
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an aluminum extrusion, as shown and described.

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