mechanical equivalent

mechanical equivalent
A term of art in patent law. A device which accomplishes the same result as that achieved by the patent alleged to be infringed. 40 Am J1st Pat § 156. The term, when applied to the interpretation of a pioneer patent, has a broad and generous signification, but when applied to a patent for a slight improvement, its meaning is narrow and limited. The range of equivalents depends upon the degree of invention. If the patent is primary in character, the patentee is entitled to a broad range of equivalents. But if the patent is for a slight improvement on an old device or combination which performs the same function before as after the improvement, the range of equivalent is narrow. Mason Corp. v Halliburton (CA10 Okla) 118 F2d 729.

Ballentine's law dictionary. . 1998.

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  • Mechanical equivalent of heat — Equivalent E*quiv a*lent ([ e]*kw[i^]v [.a]*lent), n. 1. Something equivalent; that which is equal in value, worth, weight, or force; as, to offer an equivalent for damage done. [1913 Webster] He owned that, if the Test Act were repealed, the… …   The Collaborative International Dictionary of English

  • mechanical equivalent of heat — n the value of a unit quantity of heat in terms of mechanical work units with its most probable value in cgs measure being 4.1855 × 107 ergs per calorie symbol J called also Joule s equivalent …   Medical dictionary

  • Mechanical equivalent of heat — For other uses, see Conservation of energy. In the history of science, the mechanical equivalent of heat was a concept that had an important part in the development and acceptance of the conservation of energy and the establishment of the science …   Wikipedia

  • Mechanical equivalent of heat — Heat Heat (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion… …   The Collaborative International Dictionary of English

  • mechanical equivalent of heat — the value of a unit quantity of heat in terms of mechanical work units with its most probable value in cgs measure being 4.1855 × 107 ergs per calorie symbol J; called also Joule s equivalent * * * (in any system of physical units) the number of… …   Useful english dictionary

  • mechanical equivalent of heat — mechaninis šilumos ekvivalentas statusas T sritis fizika atitikmenys: angl. Joule’s equivalent; mechanical equivalent of heat vok. mechanisches Wärmeäquivalent, n rus. механический эквивалент теплоты, m pranc. équivalent mécanique de la calorie,… …   Fizikos terminų žodynas

  • mechanical equivalent of heat — noun Obsolete the relation of heat units to mechanical units of work or energy, thus if 1 calorie = 4.186 joules, 4.186 was called the mechanical equivalent of heat. In SI all forms of energy are measured in the same units (joules) …  

  • mechanical equivalent — If two devices do the same work in substantially the same way, and accomplish substantially the same result, they are mechanical equivalents. Wire Tie Machinery Co. v. Pacific Box Corporation, C.C.A.Cal., 107 F.2d 54, 56. A device which may be… …   Black's law dictionary

  • mechanical equivalent — If two devices do the same work in substantially the same way, and accomplish substantially the same result, they are mechanical equivalents. Wire Tie Machinery Co. v. Pacific Box Corporation, C.C.A.Cal., 107 F.2d 54, 56. A device which may be… …   Black's law dictionary

  • mechanical equivalent of heat — (in any system of physical units) the number of units of work or energy equal to one unit of heat, as 4.1858 joules, which equals one small calorie. [1835 45] * * * …   Universalium

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