USD670238SExpiredUtility
Gas discharge plasma-disc
Est. expiryFeb 16, 2026(expired)· nominal 20-yr term from priority
H01J 11/18
77
PatentIndex Score
2
Cited by
22
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a gas discharge plasma-disc, as shown and described.
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