USD422705SExpiredUtility

Retractor for heart valve surgery

Individually held — no corporate assignee on recordPriority: Feb 24, 1999Filed: Feb 24, 1999Granted: Apr 11, 2000
Est. expiryFeb 24, 2019(expired)· nominal 20-yr term from priority
94
PatentIndex Score
47
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a retractor for heart valve surgery substantially, as shown and described.

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