Assisting device for opening door knobs and handles

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Description

FIG. 1 is a bottom left perspective view of an assisting device for opening door knobs and handles;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The stippled shading shown in the figures represents texture. The broken lines shown in the figures represent portions of the assisting device for opening door knobs and handles that form no part of the claimed design.

Claims

The ornamental design for an assisting device for opening door knobs and handles, as shown and described.

Referenced Cited
U.S. Patent Documents
2801122 July 1957 Sutter
D219861 February 1971 Coffman
4018465 April 19, 1977 Ramler
4285536 August 25, 1981 McCoy et al.
D268984 May 17, 1983 Bergen
4397489 August 9, 1983 Lind
4504087 March 12, 1985 Pennington
4783883 November 15, 1988 Szalay
4913479 April 3, 1990 Allison
4971375 November 20, 1990 Grecco
5231731 August 3, 1993 Jones, Jr.
D343564 January 25, 1994 Donofrio
5375295 December 27, 1994 Woodward
D363423 October 24, 1995 Fennell et al.
D369086 April 23, 1996 Bergen
5725264 March 10, 1998 Villarreal
D405344 February 9, 1999 Peabody
6751827 June 22, 2004 Fok
D533940 December 19, 2006 Hayamizu
7178845 February 20, 2007 Metzger et al.
7431358 October 7, 2008 Gomes
8448298 May 28, 2013 Rothschild
8746656 June 10, 2014 Huang
D810152 February 13, 2018 Yamada
10450787 October 22, 2019 Jaffee
D940529 January 11, 2022 Martone
D961327 August 23, 2022 Benkmann
20070289101 December 20, 2007 Casteel et al.
20080086842 April 17, 2008 Dayton et al.
20190029405 January 31, 2019 Kolb
Foreign Patent Documents
2780271 December 2013 CA
202011102751 September 2011 DE
102011080098 January 2013 DE
Other references
  • Jenson, Kris; “University of Sunderland experts have designed and produced Coronavirus 3D printer door openers to help people avoid touching handles”, https://www.itv.com/news/tyne-tees/2020-04-02/university-of-sunderland-experts-design-coronavirus-3d-printer-door-openers/, printed Apr. 2, 2020.
  • Contactless door opener/ No touch door handle/ Door Hook; Etsy; https://www.etsy.com/ca/listing/780099776/?ga_order=most_relevant&ga_search_type=all&ga_view_type=g%E2%80%A6; printed Apr. 28, 2020.
  • Door opener—fight Coronavirus (Covid-19) | PrusaPrinters; “https://www.prusaprinters.org/prints/26461-door-opener-fight-coronavirus-covid-19” printed Apr. 28, 2020.
  • Door Opening Tool to Prevent Coronavirus Spread; https://www.giftsonline4u.com/product/door-opening-tool-to- prevent-coronavirus-spread/; printed Apr. 28, 2020.
  • Easy Grip No Touch Door Opener by mr_walker—Thingiverse; https://www.thingiverse.com/thing:4276726; printed Apr. 28, 2020.
  • Hands free off door handle opener keyring 6mm support the NHS; Etsy; https://www.etsy.com/ca/listing/780046278/hands-free-off-door-handle-opener?ref=landingpage_similar_listing_top-1; printed Apr. 28, 2020.
Patent History
Patent number: D1049818
Type: Grant
Filed: Jan 14, 2022
Date of Patent: Nov 5, 2024
Inventor: Julia Brufke Wenger (Phoenixville, PA)
Primary Examiner: Lauren R Calve
Application Number: 29/823,112
Classifications
Current U.S. Class: D8/308