USD334211SExpiredUtility

Educational word forming unit

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Assignee: SHIMIZU SHINPEIPriority: May 16, 1991Filed: May 16, 1991Granted: Mar 23, 1993
Est. expiryMay 16, 2011(expired)· nominal 20-yr term from priority
Inventors:Shinpei Shimizu
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PatentIndex Score
0
Cited by
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References
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Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an educational word forming unit, as shown.

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