Asbestos Shingle, Slate & Sheathing Co. v. H. W. Johns-Manville Co.

HAND, District Judge.

The complainant insists upon a decision upon claims 1 and 6 after having an opportunity to discontinue as to them, and therefore it becomes my duty to decide upon them.

Claim 6 is as follows:

“An artificial-stone product consisting of a major proportion of hydraulic cement and a minor proportion of fibrous material, the product being in layers and elastic, non-brittle and penetrable to nails — that is, capable of being nailed similar to paper building-board or wood — incombustible and water and frost resistant, of hardness, strength, and durability, and having a certain…