IP Library › Granted Patent US 871,454
Granted Patent S1
US 871,454 · App. 29/581,649 · Granted Dec 31, 2019

Air filter

Inventor: Steve Williams (Beaumont, CA)
Assignee: K&N Engineering, Inc.
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Quick Facts
Patent No.
US 871,454
App. No.
29/581,649
Granted
Dec 31, 2019
Kind
S1
Claims (1)

The ornamental design for an air filter, as shown and described.

Assignments (7)
RELEASE OF SECURITY INTEREST Recorded May 8, 2026
From: ANKURA TRUST COMPANY, LLC
To: K & N ENGINEERING, INC.
Reel/Frame 075785/0057 →
PATENT SECURITY AGREEMENT – SUPPLEMENT NO. 1 Recorded Oct 25, 2024
From: K & N ENGINEERING, INC.
To: ANKURA TRUST COMPANY, LLC
Reel/Frame 069268/0013 →
SECURITY INTEREST Recorded Oct 24, 2024
From: K & N ENGINEERING, INC.
To: FIFTH THIRD BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 071008/0165 →
RELEASE OF SECURITY INTEREST Recorded Feb 15, 2023
From: ANKURA TRUST COMPANY, LLC
To: K & N ENGINEERING, INC.
Reel/Frame 062760/0937 →
SUPERPRIORITY PATENT SECURITY AGREEMENT Recorded Oct 17, 2022
From: K & N ENGINEERING, INC.
To: ANKURA TRUST COMPANY, LLC
Reel/Frame 061689/0682 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 19, 2019
From: WILLIAMS, STEVE
To: K&N ENGINEERING, INC.
Reel/Frame 050436/0813 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2016
From: WILLIAMS, STEVE
To: K&N ENGINEERING, INC.
Reel/Frame 040727/0885 →