Resources Contact Us Home
Browse by Category: Main > Firearms & Weapons
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

  Recently Added Patents
Electronic package with fluid flow barriers
Fibrous laminate interface for security coatings
System, method and computer program product for monitoring and controlling network connections from a supervisory operating system
Method for identifying modulators of GPCR GPR1 function
High-frequency-link power-conversion system having direct double-frequency ripple current control and method of use
Communication device and method for detecting a radio signal
  Randomly Featured Patents
Method of manufacturing a semiconductor device
Electronic display including a light-emitting element and a color filter sandwiched between two polarizers
Optical communications transmitter and receiver
Low profile, lockable handle, housing and cover assembly
Method for the phase correction of MR inversion recovery images
Dispenser for instant coffee, tea, or the like
Serving board
Apparatus for drill press
Purification and realloying of arsenic/selenium alloys
Valve lifter for internal combustion engine