USD244555SExpiredUtility

Covered test tube

86
Assignee: GREINER ELECTRONIC AGPriority: Mar 25, 1975Filed: Sep 19, 1975Granted: May 31, 1977
Est. expiryMar 25, 1995(expired)· nominal 20-yr term from priority
Inventors:Gerhard Wiedmann
86
PatentIndex Score
57
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a covered test tube, as shown and described.

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