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MACHINE. A contrivance which serves to apply or regulate moving power; or it is a tool more or less complicated, which is used to render useful natural instruments, Clef. des Lois Rom. h.t.
     2. The act of congress gives to inventors the right to obtain a patent right for any new and useful improvement on any art, machine, manufacture, &c. Act of congress, July 4, 1836, s. 6. See Pet. C. C. 394; 3 Wash. C. C. 443; 1 Wash. C. C. 108; 1 Wash. C. C. 168; 1 Mason, 447; Paine, 300; 4 Wash. C. C. 538; 1 How. U. S., 202; S. C. 17 Pet. 228; 2 McLean, 176.

References in periodicals archive ?
Because the crushing force applied at the tip of the claw's fingers is a function of the pulling force exerted by the closer muscle and the mechanical advantage of the claw's lever system, we expect that the crusher claw of C.
He put a noose around the hefty dog's neck, and firefighters hoisted Bear up with a lot of muscle and the mechanical advantage of a pulley.
Gunsmiths who mount hundreds of scopes annually need every possible mechanical advantage.
The mechanical advantage of the press made sure I wasn't tired from all the cranking of the handle after a few hundred rounds.
XL utilizes the patented center pivot design providing the necessary mechanical advantage for rotation, and allows surgeons to achieve optimal placement while utilizing a true MIS approach.
Priming can be done on the press, with an overhead priming device that screws into the die position, which allows a somewhat more sensitive "feel" in primer-seating because the action occurs as the point of least mechanical advantage in the handle's cycle.
The FLA flexible circuit antenna is particularly suited to the healthcare market because it can conform to any shape or size, a mechanical advantage for medical devices, which come in different shapes, and sizes.
The ExoShape[R] Gun provides a convenient mechanical advantage for easy deployment of the ExoShape PEEK Altera[R] shape memory Sheath.
New, larger 10" wheels provide more mechanical advantage and the generous 16 inches (40cm) cutting swath allows for a uniform cutting pattern with fewer passes, resulting in a healthy, beautiful lawn.
This lid provides up to 30:1 mechanical advantage to allow fatigue free testing of moderate to large pin count devices.
This lid provides up to 50:1 mechanical advantage to allow effortless hand test of the highest pin count devices made today.
The crimping tool has mechanical advantage over applied hand force, requiring less effort to operate.