The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10401110 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 03, 2019

Filed:

Jul. 21, 2018
Applicant:

Alan Aldophsen, Hope, ME (US);

Inventor:

Alan Aldophsen, Hope, ME (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F41A 21/26 (2006.01); F41A 21/48 (2006.01); F41A 21/16 (2006.01); F41A 5/26 (2006.01); F41A 21/02 (2006.01); F41A 21/44 (2006.01); F41A 27/30 (2006.01); F41C 27/22 (2006.01);
U.S. Cl.
CPC ...
F41A 21/26 (2013.01); F41A 5/26 (2013.01); F41A 21/02 (2013.01); F41A 21/16 (2013.01); F41A 21/44 (2013.01); F41A 21/48 (2013.01); F41A 27/30 (2013.01); F41C 27/22 (2013.01);
Abstract

A method of modifying a firearm barrel comprising the steps of milling an existing barrel to create a sloped area with a larger diameter at a chamber end and a small action moving toward the muzzle end; placing an barrel nut on the barrel; placing a chamber bushing having a step with the step disposed at the chamber end; placing a brass pressing guide on the barrel and placing the barrel assemble with brass press guide and rear jacket tube in a press to press fit these components together; placing a gas block on the barrel adjacent to the rear jacket tube pressing the components tougher using the press; placing a front jacket tube on the barrel adjacent to the gas block and pressing the components tougher using the press; covering the threads of the barrel and placing a pour guide on the barrel; filling a void defined between the front jacket tube, rear jacket tube and barrel with a filler; placing a centering device on the barrel so that it is operatively associated with the front jacket tube to center the barrel in the front jacket tube while the filler is curing; placing a muzzle brake cap on the barrel and pressing the muzzle cap into the front jacket tube using the press; and, attacking a muzzle brake.


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