USD280235SExpiredUtility

Flask-supportable stirrer drive unit

20
Assignee: HY PER GRAPH LTDPriority: Apr 23, 1982Filed: Jul 9, 1982Granted: Aug 20, 1985
Est. expiryApr 23, 2002(expired)· nominal 20-yr term from priority
Inventors:Lawrence M. Street
20
PatentIndex Score
1
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a flask-supportable stirrer drive unit, as shown.

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