USD309021SExpiredUtility
Protective cover for tracheotomy tube
Individually held — no corporate assignee on recordPriority: Jul 13, 1987Filed: Jul 13, 1987Granted: Jul 3, 1990
Est. expiryJul 13, 2007(expired)· nominal 20-yr term from priority
Inventors:Katherine K. Beevers
58
PatentIndex Score
10
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a protective cover for tracheotomy tube, as shown and described.
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