CNC machining filter apparatus

- Oberlin Filter Co.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of the CNC machining filter apparatus;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation;

FIG. 4 is a right-side elevation;

FIG. 5 is a left-side elevation;

FIG. 6 is a top plan view;

FIG. 7 is a rear elevation; and,

FIG. 8 is a bottom plan view.

The broken lines show portions of a CNC machining filter apparatus that form no part of the claimed design.

Claims

The ornamental design for a CNC machining filter apparatus, as shown and described.

Referenced Cited
U.S. Patent Documents
D144103 March 1946 Clyne
D164403 September 1951 Hamberger
D169048 March 1953 Desenberg
D180363 May 1957 Lingarjati
D495723 September 7, 2004 Kawamura
D496375 September 21, 2004 Kawamura
D497922 November 2, 2004 Kawamura
D500331 December 28, 2004 Crisler, III
D500332 December 28, 2004 Crisler, III
D569883 May 27, 2008 Wang
D764553 August 23, 2016 Zhang
D772965 November 29, 2016 Westlake
D778331 February 7, 2017 Ide
D791204 July 4, 2017 Hynek
D821464 June 26, 2018 Lin
D854064 July 16, 2019 Mayer
D860276 September 17, 2019 Lin
D862545 October 8, 2019 Lin
Foreign Patent Documents
2019-066900 January 2019 CN
2020-461808 May 2020 CN
2016-13306 December 2013 ID
Patent History
Patent number: D923672
Type: Grant
Filed: Oct 21, 2019
Date of Patent: Jun 29, 2021
Assignee: Oberlin Filter Co. (Pewaukee, WI)
Inventors: Jeffrey D. Koepnick (Sussex, WI), Brian R. Pfau (Hartford, WI)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/710,158
Classifications
Current U.S. Class: Cutting (6) (D15/127)