USD252553SExpiredUtility

Surface-cleaning apparatus

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Assignee: ARX AGPriority: Oct 8, 1976Filed: Jan 14, 1977Granted: Aug 7, 1979
Est. expiryOct 8, 1996(expired)· nominal 20-yr term from priority
Inventors:Paul Dummermuth
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Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a surface-cleaning apparatus, as shown and described.

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