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.

Date of Patent:
Dec. 29, 2020

Filed:

Aug. 29, 2018
Applicant:

80 Percent Arms Inc., Garden Grove, CA (US);

Inventor:

Tilden Alan Smith, Westminster, CA (US);

Assignee:

80 Percent Arms Inc., Garden Grove, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/06 (2006.01); B23B 49/02 (2006.01); B23B 47/28 (2006.01); B23C 9/00 (2006.01); B23B 51/00 (2006.01); B23C 3/00 (2006.01);
U.S. Cl.
CPC ...
B23Q 3/062 (2013.01); B23B 47/28 (2013.01); B23B 49/023 (2013.01); B23C 9/00 (2013.01); B23B 51/0054 (2013.01); B23B 2215/28 (2013.01); B23B 2247/12 (2013.01); B23C 3/00 (2013.01); B23C 2255/00 (2013.01); B23Q 2703/10 (2013.01);
Abstract

A machining tool assembly is provided for machining a blank to form a firearm lower receiver. The assembly includes a pair of side plates positionable on opposed sides of the blank to capture the blank therebetween. A template plate having a template aperture is adapted to be removeably attachable to the side plates. The template aperture is aligned with a top surface of the blank and is adapted for machining a cavity within the blank having a peripheral contour complimentary to a peripheral contour of the template aperture. A centering mechanism is adapted to be removeably attachable to the template plate, with the centering mechanism including an opening aligned with a corresponding void formed on the blank to align the blank with the template plate.


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