USD252398SExpiredUtility

Boring bar housing

45
Individually held — no corporate assignee on recordPriority: Feb 23, 1977Filed: Feb 23, 1977Granted: Jul 17, 1979
Est. expiryFeb 23, 1997(expired)· nominal 20-yr term from priority
Inventors:Ernest E. Grimsley
45
PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a boring bar housing, as shown.

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