Back rest for chairs

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Description

1. Back rest for chairs

1.1 : Perspective

1.2 : Right

1.3 : Front

1.4 : Top

Claims

The ornamental design for a back rest for chairs, as shown and described.

Referenced Cited
U.S. Patent Documents
4052104 October 4, 1977 Noss
D249305 September 12, 1978 Henninger
4235473 November 25, 1980 Aginar
D296628 July 12, 1988 Glass
Foreign Patent Documents
WO-2015099161 July 2015 WO
Other references
  • Rigid benches, from cbc.ca, Retrieved Date: May 29, 2024, page 1, from https://www.cbc.ca/news/canada/toronto/how-defensive-design-leads-to-rigid-benches-metal-spikes-and-visual-violence-in-modern-cities-1.5192333 (Year: 2024).
Patent History
Patent number: D1045423
Type: Grant
Filed: Sep 7, 2023
Date of Patent: Oct 8, 2024
Inventor: Peter Krouwel (Leiden)
Primary Examiner: Mimosa De
Application Number: 35/518,797
Classifications
Current U.S. Class: D6/716; D6/370