(under the class definition) Apparatus claimed in combination with features other than means to transmit motion to the formation penetrating means, or means to remove cuttings from the bore, or means to conduct fluid to the earth penetrating means and not provided for in any of the preceding subclasses.
(1) Note. The means to transmit motion to the earth penetrating means includes means to rotate, reciprocate, impact, feed or stabilize the tool including the tool shaft.
(2) Note. The means to remove cuttings from the bore includes mechanical conveying means or a fluid system which functions to remove cuttings from the bore.
(3) Note. The means to conduct fluid to the tool includes conduits, passages, apertures, valves or closures including packers positioned between the tool shaft and bore wall for allowing or controlling the flow of fluid to or from the tool.
(4) Note. The tool includes any device which disintegrates, cuts, dislocates, erodes or compresses the formation to form the bore.
(5) Note. All preceding subclasses must be investigated for particular combinations within this definition as shown by the preceding subclass titles. SEE OR SEARCH CLASS
7, Compound Tools, appropriate subclasses, for an earth boring tool combined with a nonearth boring tool.
