CNC machining filter apparatus
Latest Oberlin Filter Co. Patents:
Description
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
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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
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)