USD271206SExpiredUtility

Detent coupled drill bit adapter

72
Individually held — no corporate assignee on recordPriority: Mar 11, 1981Filed: Mar 11, 1981Granted: Nov 1, 1983
Est. expiryMar 11, 2001(expired)· nominal 20-yr term from priority
Inventors:William Devey
72
PatentIndex Score
14
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a detent coupled drill bit adapter, as shown.

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