. The railroad and engineering journal . ate such genus. A method or processclaim cannot be made specific to any generic claim ; andthis results from the peculiar nature ol the elements com-posing it. A claim lor a method recites the successivesteps involved in that method, and any addition to, sub-traction from, or variation of, such steps would involve achange in the method or process, which process wouldnot be regarded as specific under the former process con-sidered as generic, but would constitute a claim for adifferent method or process. The ordinary rules employed in drawing combination


. The railroad and engineering journal . ate such genus. A method or processclaim cannot be made specific to any generic claim ; andthis results from the peculiar nature ol the elements com-posing it. A claim lor a method recites the successivesteps involved in that method, and any addition to, sub-traction from, or variation of, such steps would involve achange in the method or process, which process wouldnot be regarded as specific under the former process con-sidered as generic, but would constitute a claim for adifferent method or process. The ordinary rules employed in drawing combinationclaims should be observed (with the necessary modi-fications and omissions) under method or processclaims. Although the subject of claims is by no means exhaustedin the present communication, it is thought that thefoundation rules upon which claims are to be built havebeen laid down ; and in their observance much time will,no doubt, be saved by both applicant and examiner, andthus insure speedy issue. I8 THE RAILROAD AND [January, Fig. I.


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Keywords: ., bookcentury1800, bookdecade1880, bookidrailroadengi, bookyear1887