Three dimensional filter frame
Latest 3M INNOVATIVE PROPERTIES COMPANY Patents:
- Molded optical connectors with zero-draft mechanical alignment features
- Slot die coating using concave die lip over deformable back-up roll
- Flowable hardenable composition, thermally conductive composition, and electronic heat sink assembly including the same
- Hardhat with air conduit
- Optical film, reflective polarizer, optical stack, and optical construction
Description
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
Other references
| 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 |
- 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
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