USD455474SExpiredUtility

Ball valve

69
Assignee: FISCHER GEORG ROHRLEITUNGPriority: Sep 12, 2000Filed: Mar 6, 2001Granted: Apr 9, 2002
Est. expirySep 12, 2020(expired)· nominal 20-yr term from priority
Inventors:Stephen KnobelMichael Heimgartner
69
PatentIndex Score
22
Cited by
6
References
1
Claims

Claims

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

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