Drafting room methods . ing of his invention whenever the natureof the case admits of it. ^50. The drawing may be signed by the inventor orone of the persons indicated in Rule 25, or the name ofthe applicant may be signed on the drawing by his at-torney in fact. The drawing must show every featureof the invention covered by the claims, and the figuresshould be consecutively numbered, if possible. Whenthe invention consists of an improvement on an old ma-chine the drawing must exhibit, in one or more views,the invention itself, disconnected from the old structure,and also in another view, so mu
Drafting room methods . ing of his invention whenever the natureof the case admits of it. ^50. The drawing may be signed by the inventor orone of the persons indicated in Rule 25, or the name ofthe applicant may be signed on the drawing by his at-torney in fact. The drawing must show every featureof the invention covered by the claims, and the figuresshould be consecutively numbered, if possible. Whenthe invention consists of an improvement on an old ma-chine the drawing must exhibit, in one or more views,the invention itself, disconnected from the old structure,and also in another view, so much only of the old structureas will suffice to show the connection of the inventiontherewith. 51. Two editions of patent drawings are printedand published — one for office use, certified copies, etc.,of the size and character of those attached to patents,the work being about 6 by 9i inches; and one reduction 72 PATENT OFFICE PRACTICE 73 CHART FOR DRAFTSMEN. SECTIONS MerrAL SECT/ON OF 61ASJ- o/j paffca^/V W2; C£M£//r. /A/Sl/L/^r/OA/ CA aBOfjSFcrjotJ sift^Ar/OA/ CO/9K SECTION AMD ELEVfirriOn OF WOOD
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmechanicaldrawing
