USD335291SExpiredUtility

Combined vacuum pump and compressor

Assignee: MANNESMANN AGPriority: Aug 2, 1990Filed: Feb 4, 1991Granted: May 4, 1993

Est. expiryAug 2, 2010(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a combined vacuum pump and compressor, as shown.

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