Threearm knob
Description
Three-arm knob
Claims
The ornamental design for three-arm knob, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D127735 | June 1941 | Dreyfuss |
D253513 | November 27, 1979 | Bertani |
D269409 | June 21, 1983 | Ferdinand |
D409156 | May 4, 1999 | Taylor |
D510370 | October 4, 2005 | Bertani |
D539632 | April 3, 2007 | Ma |
D609550 | February 9, 2010 | Wan |
D668761 | October 9, 2012 | Schad |
D784787 | April 25, 2017 | Bertani |
D868561 | December 3, 2019 | Bertani |
- Screenshot: Elesa VTT-C-B Knob Lobs. Undated (© 2000-2020); one page. Found online Jun. 19, 2020 at https://www.elesa.com/en/elesab2bstoreoc/catalogo-cat-166-sales/clamping-elements--1/Clamping-elements--Knob-lobs--VTT-C-B#sortby=0&facetvalue= (Year: 2020).
- Screenshot: Tecnodin Threaded Knob/Three-Lobe / Polyamide. Undated; one page. Found online Jun. 19, 2020 at https://www.directindustry.com/prod/tecnodin/product-12438-2214471.html (Year: 2020).
- Press Release: Ergonomics, easy cleaning and corrosion resistance New VTT three-lobe knobs. Jun. 30, 2015; one page. Found online Jun. 19, 2020 at https://www.elesa.com/static/news/files/P.R_VTT_ENG.pdf (Year: 2015).
Patent History
Patent number: D904853
Type: Grant
Filed: Mar 18, 2019
Date of Patent: Dec 15, 2020
Assignee: ELESA S.P.A. (Milan)
Inventor: Alberto Bertani (Monza)
Primary Examiner: Robert M. Spear
Application Number: 35/507,358
Type: Grant
Filed: Mar 18, 2019
Date of Patent: Dec 15, 2020
Assignee: ELESA S.P.A. (Milan)
Inventor: Alberto Bertani (Monza)
Primary Examiner: Robert M. Spear
Application Number: 35/507,358
Classifications
Current U.S. Class:
D8/307