US D351,174 SGranted

Roof drill bit for mining machine

OwnerWilliam J. Bradyinventor

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Abstract

The abstract isn’t available for this document.

Claims1

Dependent claims

The ornamental design for a roof drill bit for mining machine, as shown and described.

Facts

Application: 29/010,851Filed 19 Jul 1993 · continuation in part
Priority: 23 May 1991
Granted: 4 Oct 1994
Term ends: Not estimatedThe source records don’t support an estimate.

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Family

Serial706,113Parent of this continuation-in-part · filed 23 May 1991
US D340,248 SParent of this continuation-in-part
US D351,174 SThis patent

From the US filing history. Foreign family members aren’t listed.

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