USD411057SExpiredUtility
Folding box springs
Est. expiryApr 2, 2018(expired)· nominal 20-yr term from priority
Inventors:Clevon T Johnson, Jr.
62
PatentIndex Score
20
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a folding box spring, as shown.
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