Blocking members in a smoke detector chamber

- ANALOG DEVICES, INC.
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Description

FIG. 1 is bottom view;

FIG. 2 is a side view;

FIG. 3 is a cross-sectional view taken along the lines 3-3 of FIG. 1;

FIG. 4 is top;

FIG. 5 is an alternate side view;

FIG. 6 is an alternate bottom; and,

FIG. 7 is an perspective view.

The broken lines in the drawings illustrate portions of the blocking members that form no part of the claimed design. Any unshaded regions bounded by broken lines in the drawings illustrate the bounds of the claim and form no part thereof. Non-oblique line shading represents contour and not surface ornamentation.

Claims

The ornamental design for blacking members in a smoke detector chamber, as shown and described.

Referenced Cited
U.S. Patent Documents
D297318 August 23, 1988 Taylor
4857895 August 15, 1989 Kaprelian
4906978 March 6, 1990 Best
5451931 September 19, 1995 Muller et al.
6396405 May 28, 2002 Bernal
6756905 June 29, 2004 Rattman
7248173 July 24, 2007 Yamasaki et al.
8970387 March 3, 2015 Brigham
9013317 April 21, 2015 Brigham
9196141 November 24, 2015 Schmidt
9459208 October 4, 2016 Orsini
9824564 November 21, 2017 Bressanutti et al.
Foreign Patent Documents
202015000820 March 2015 DE
2397122 July 2004 GB
2016/150613 September 2016 WO
Patent History
Patent number: D874964
Type: Grant
Filed: May 22, 2019
Date of Patent: Feb 11, 2020
Assignee: ANALOG DEVICES, INC. (Norwood, MA)
Inventors: Jiawen Bai (Brighton, MA), Ryan Frazier (Boston, MA), Ying Zhao (Andover, MA), Shrenik Deliwala (Andover, MA)
Primary Examiner: George D. Kirschbaum
Application Number: 29/692,092
Classifications
Current U.S. Class: Element Or Attachment (D10/121)