USD250348SExpiredUtility

Test tube rack

87
Assignee: AMERICAN HOSPITAL SUPPLY CORPPriority: Mar 3, 1977Filed: Mar 3, 1977Granted: Nov 21, 1978
Est. expiryMar 3, 1997(expired)· nominal 20-yr term from priority
Inventors:Michael FrangiosaWilliam Mcmichael
87
PatentIndex Score
31
Cited by
3
References
1
Claims

Claims

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

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