The normal size of the openings 18 is slightly smaller than the maximum diameters of the. Thus, the strips are mounted by merely inserting the snap lugs 17 in the apertures 18 and pressing the ends of the strips simultaneously to lockingly interengage the snap lugs 17 in the cooperating snap openings 18. The body 12 is formed with corresponding lugreceiving apertures 18 shaped to provide a snap fit for the lugs 17,17, said apertures being formed with outwardly flaring circumferential flanges 19 defining sockets to lockingly receive the enlarged outer head portions of the snap lugs 17 in the manner illustrated in FIG. Thus, the currency scale strips 13 comprise relatively narrow flat members made of plastic, or the like, each strip being provided integrally at its end portion with snap lugs 17,17 comprising projections formed with enlarged head portions, as is clearly shown in FIGS. The scale strips 13 are formed so as to be quickly and easily attached to or detached from the body 12. G06G1/0073- Hand manipulated computing devices characterised by a specific application for commerce, bank or invoicing.G06G1/0005- Hand manipulated computing devices characterised by a specific application.G06G1/00- Hand manipulated computing devices.238000006011 modification reaction Methods 0.000 description 2.230000000875 corresponding Effects 0.000 abstract description 22.238000006243 chemical reaction Methods 0.000 claims description 64.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US26663472A external-priority Application filed by F Marcks filed Critical F Marcks Application granted granted Critical Publication of US3760165A publication Critical patent/US3760165A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US00266634A Inventor F Marcks Original Assignee F Marcks Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents US3760165A - Currency converterÄownload PDF Info Publication number US3760165A US3760165A US00266634A US3760165DA US3760165A US 3760165 A US3760165 A US 3760165A US 00266634 A US00266634 A US 00266634A US 3760165D A US3760165D A US 3760165DA US 3760165 A US3760165 A US 3760165A Authority US United States Prior art keywords currency conversion device supporting body strips currency conversion Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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