IP Library › Granted Patent US 548,307
Granted Patent S1
US 548,307 · App. 29/253,595 · Granted Aug 7, 2007

Filter element

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 548,307
App. No.
29/253,595
Granted
Aug 7, 2007
Kind
S1
Claims (1)

The ornamental design for a filter element, as shown and described.

Assignments (2)
RELEASE OF SECURITY INTEREST Recorded Jun 23, 2023
From: SANTANDER BANK, N.A.
To: THE EASTERN COMPANY; VELVAC, INCORPORATED; BIG 3 PRECISION PRODUCTS, INC.
Reel/Frame 064075/0498 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 5, 2018
From: PARKER-HANNIFIN CORPORATION
To: PARKER INTANGIBLES, LLC
Reel/Frame 045843/0859 →