USD259392SExpiredUtility

Pneumatic drill

78
Assignee: ATLAS COPCO ABPriority: May 18, 1977Filed: Jul 18, 1977Granted: Jun 2, 1981
Est. expiryMay 18, 1997(expired)· nominal 20-yr term from priority
Inventors:Heino ElmessaarRonald J. LundbergStig R. Zernell
78
PatentIndex Score
18
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pneumatic drill, as shown and described.

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