USD478650SExpiredUtility
Switch valve
Priority: Oct 15, 2002Filed: Oct 15, 2002Granted: Aug 19, 2003
Est. expiryOct 15, 2022(expired)· nominal 20-yr term from priority
Inventors:Hung-Lin Lai
78
PatentIndex Score
23
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a switch valve, as shown and described.
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