USD307647SExpiredUtility

Automatic fire extinguisher

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Assignee: FS MFG CO LTDPriority: Jun 8, 1988Filed: Nov 29, 1988Granted: May 1, 1990
Est. expiryJun 8, 2008(expired)· nominal 20-yr term from priority
Inventors:Yasuo YamamuraYukio AkatsuTetsuyuki Sugimoto
45
PatentIndex Score
8
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an automatic fire extinguisher, as shown and described.

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