USD257390SExpiredUtility

Test tube rack

87
Assignee: SYBRON CORPPriority: Jul 7, 1978Filed: Jul 7, 1978Granted: Oct 14, 1980
Est. expiryJul 7, 1998(expired)· nominal 20-yr term from priority
Inventors:Heinz HahnRavinder C. Mehra
87
PatentIndex Score
21
Cited by
5
References
1
Claims

Claims

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

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