USD287529SExpiredUtility
Emergency pyrotechnic signalling device
Assignee: NICO PYROTECHNIC HANNS JUERGEN DIEDERICHS GMBH & CO KGPriority: Jan 20, 1984Filed: Jan 20, 1984Granted: Dec 30, 1986
Est. expiryJan 20, 2004(expired)· nominal 20-yr term from priority
Inventors:Hanns-Juergen Diederichs, Jr.
19
PatentIndex Score
1
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an emergency pyrotechnic signalling device, substantially as shown.
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