IP Library › Granted Patent US 1,142,811
Granted Patent S1
US 1,142,811 · App. 29/825,710 · Granted Aug 18, 2026

Firearm upper assembly

Inventor: Joseph Jefferson Lee Rathbone (Sanford, NC)
Assignee: Bear Creek Arsenal, LLC
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Quick Facts
Patent No.
US 1,142,811
App. No.
29/825,710
Granted
Aug 18, 2026
Kind
S1
Claims (1)

The ornamental design for a firearm upper assembly, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 4, 2022
From: RATHBONE, JOSEPH JEFFERSON LEE
To: BEAR CREEK ARSENAL, LLC
Reel/Frame 058887/0357 →
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“BC-202 .22 Magnum: Bear Creek Arsenal's Entry-Level Beast | Shot Show 2025” [online]. TFBTV Show Time. [Published Jan. 28, 2025]. Retrieved from the Internet: < https://www.youtube.com/watch?v=C_27TF6hDu8>. [cited by examiner]
“Review: CMMG 22LR AR Conversion Kit—Shoot 22LR Through Your AR15!” [online]. Dustin Ellermann. [Retrieved Jul. 17, 2025]. Retrieved from the Internet: < https://internationalsportsman.com/cmmg-22lr-ar-conversion-kit-sh… [cited by examiner]