Three dimensional filter frame

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of showing the new design for a three dimensional filter frame.

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof,

FIG. 5 is a back elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Broken lines in the drawings provide environmental structure and form no part of the design to be patented.

Claims

The ornamental design for a three dimensional filter frame, as shown and described.

Referenced Cited
U.S. Patent Documents
3254968 June 1966 Ulrich
D254207 February 12, 1980 Holmberg
D254506 March 18, 1980 Holmberg
D417725 December 14, 1999 Viscolosi
6874769 April 5, 2005 Lantz
7625417 December 1, 2009 Yang
D708729 July 8, 2014 Platt
D763543 August 16, 2016 Guidolin
D780900 March 7, 2017 Dichraff
D793545 August 1, 2017 Buzanowski
D810258 February 13, 2018 You
D854132 July 16, 2019 Nieuwoudt
20090019824 January 22, 2009 Lawrence
Other references
  • Hiclipart.com, Perforated metal sheet perforation pattern, undated clipart page, retrieved Sep. 23, 2019 from <URL:https://www.hiclipart.com/free-transparent-background-png-clipart-mmnei> (Year: 2019).
  • Fielitz.de, 3D Plate Water Wave XL-e, Nov. 2016, online product page, retrieved Sep. 23, 2019 from <URL:https://web.archive.org/web/20161130003416/https://fielitz.de/produkte/3d-platte-wasserwelle-xl-e/?lang =en> (Year: 2016).
Patent History
Patent number: D875910
Type: Grant
Filed: Sep 7, 2018
Date of Patent: Feb 18, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (Saint Paul, MN)
Inventors: Scott A. Clear (Escondido, CA), Michael S. Schuffert (Chatsworth, CA)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/662,774
Classifications
Current U.S. Class: Filter (D23/365); Element (D23/358)