USD277504SExpiredUtility
Base for matrix band retainer
Individually held — no corporate assignee on recordPriority: Sep 21, 1981Filed: Mar 19, 1982Granted: Feb 5, 1985
Est. expirySep 21, 2001(expired)· nominal 20-yr term from priority
Inventors:Dan W. Ericson
28
PatentIndex Score
1
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a base for matrix band retainer, as shown.
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