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Class Information
Number: 42/5
Name: Firearms > Breech loading > Spring-motor operated
Description: Firearms in which a spring, which is wound up, is utilized to furnish the power for opening the breech, usually by sliding the breechblock rearward, ejecting the shell, reloading and closing the breech. Usually one winding of the spring is sufficient for a magazine full of cartridges.

Patents under this class:

Patent Number Title Of Patent Date Issued
8703049 Apparatus and method of improving air quality using photocatalytic oxidation Apr. 22, 2014

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