Security door grill

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a security door grill of our new design, with portions of the door structure and screen illustrated in broken lines to provide environmental structure;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The broken lines depict portions of the security door grill that form no part of the claimed design.

Claims

The ornamental design for a security door grill, as shown and described.

Referenced Cited
U.S. Patent Documents
D204314 April 1966 Bright
4484410 November 27, 1984 English
4791762 December 20, 1988 Hwang
D300364 March 21, 1989 Riegelman
D364277 November 21, 1995 Worral
D490539 May 25, 2004 Heasley
D664674 July 31, 2012 Harvey
D745190 December 8, 2015 Thomas
D848027 May 7, 2019 Lawson
D892994 August 11, 2020 Lieb
Foreign Patent Documents
3290680 April 2003 CN
Other references
  • Larson Storm Doors Security Storm Doors https://www.larsondoors.com/storm-doors/security-storm-doors Available Jun. 21, 2020 (Year: 2020).
  • King Metals—2019 Master Catalog, vol, 48, p. 21, King Architectural Metals, https://www.kingmetalscatalog.com/, 2 pages, copyright 2020.
Patent History
Patent number: D910876
Type: Grant
Filed: Nov 1, 2019
Date of Patent: Feb 16, 2021
Assignee: Larson Manufacturing Company of South Dakota, Inc. (Brookings, SD)
Inventor: Chante' Christensen (Salt Lake City, UT)
Primary Examiner: Leanne Was-Englehart
Application Number: 29/711,672
Classifications