USD275862SExpiredUtility

Drill shaft head

24
Assignee: BRAINARD KILMAN DRILL COMPANYPriority: Dec 9, 1981Filed: Dec 9, 1981Granted: Oct 9, 1984
Est. expiryDec 9, 2001(expired)· nominal 20-yr term from priority
Inventors:John Kilman, DeceasedPhillip L. Myers
24
PatentIndex Score
1
Cited by
5
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD275862S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.