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Class Information
Number: 42/134
Name: Firearms > Implements > Sight devices > Through the bore type (e.g., sighting in, or straightness testing device, etc.)
Description: Subject matter wherein the attachment is so structured or shaped as to permit installation within the firearm barrel and in which (1) an imaginary line travels the same path as one round of ammunition or (2) crooks or other imperfections in the barrel are revealed.










Patents under this class:

Patent Number Title Of Patent Date Issued
8584587 Drill cartridges, adaptors, and methods for multi-caliber drill cartridge training Nov. 19, 2013
8544203 Laser aimed small arms ammunition Oct. 1, 2013
8443542 Firing pin sighting system May. 21, 2013
7916290 Coaxially arranged, off-axis optical system for a sighting device or aiming device Mar. 29, 2011
7905043 Boresight laser aiming system for firearms Mar. 15, 2011
7900391 Bore sight apparatus Mar. 8, 2011
7665218 Azimuth measuring apparatus and method Feb. 23, 2010
7065917 Rifle bore periscope Jun. 27, 2006
6742299 Laser device for use in adjusting a firearm's sight Jun. 1, 2004
6701661 Adjustment device for a firearm system Mar. 9, 2004
6631580 Firearm bore sight system Oct. 14, 2003
6568119 Interchangeable shotgun sight May. 27, 2003
5864957 Universal sight tool Feb. 2, 1999
5813279 System for positioning boresight calibration tools Sep. 29, 1998
5454168 Bore sighting system and method Oct. 3, 1995
5365669 Laser boresight for the sighting in of a gun Nov. 22, 1994
5225626 Azimuth determination method Jul. 6, 1993
4879814 Method and apparatus for boresight alignment of armored battlefield weapons Nov. 14, 1989
4773164 Self-aligning caliber bar Sep. 27, 1988
4733490 Alignment-impact indicator for firearms Mar. 29, 1988
4696596 Equipment mounting mechanism Sep. 29, 1987











 
 
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