USD263302SExpiredUtility

Vacuum pump

84
Assignee: ORION MACHINERY CO LTDPriority: May 16, 1979Filed: Nov 14, 1979Granted: Mar 9, 1982
Est. expiryMay 16, 1999(expired)· nominal 20-yr term from priority
84
PatentIndex Score
27
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a vacuum pump, as shown.

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