Threearm knob

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Description

Three-arm knob

1.1 - Top plan view;

1.2 - Bottom plan view;

1.3 - Front side elevational view;

1.4 - Left side elevational view;

1.5 - Rear elevational view;

1.6 - Right side elevational view;

2.1 - Top plan view;

2.2 - Bottom plan view;

2.3 - Front side elevational view;

2.4 - Left side elevational view;

2.5 - Rear elevational view; and

2.6 - Right side elevational view.

Claims

The ornamental design for three-arm knob, as shown and described.

Referenced Cited
U.S. Patent Documents
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
Other references
  • 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
Classifications
Current U.S. Class: D8/307