Smoke detector

Description

FIG. 1 is a perspective view of an embodiment of the smoke detector according to the invention.

FIG. 2 is a top view of the smoke detector according to FIG. 1.

FIG. 3 is a first side view of the smoke detector according to FIG. 1.

FIG. 4 is a bottom view of the smoke detector according to FIG. 1.

FIG. 5 is a second side view of the smoke detector according to FIG. 1.

FIG. 6 is a third side view of the smoke detector according to FIG. 1.

FIG. 7 is a perspective view of a second embodiment of the smoke detector according to the invention.

FIG. 8 is a top view of the smoke detector according to FIG. 7.

FIG. 9 is a side view of the smoke detector according to FIG. 7.

FIG. 10 is a perspective view of a third embodiment of the smoke detector according to the invention.

FIG. 11 is a top view of the smoke detector according to FIG. 10.

FIG. 12 is a side view of the smoke detector according to FIG. 10.

FIG. 13 is a perspective view of a further embodiment of the smoke detector according to the invention.

FIG. 14 is a top view of the smoke detector according to FIG. 13; and,

FIG. 15 is a side view of the smoke detector according to FIG. 13.

Referenced Cited
U.S. Patent Documents
D371086 June 25, 1996 Collins
D373544 September 10, 1996 Nickles et al.
D382217 August 12, 1997 Akiyama et al.
D391184 February 24, 1998 Kawabata
D391185 February 24, 1998 Jomizawa
Other references
  • Universal, Smoke Alarm Products, 1997, Catalog. Universal, Quality Lighting & Security Products, 1995, p. 19, Catalog.
Patent History
Patent number: D422521
Type: Grant
Filed: Jul 29, 1999
Date of Patent: Apr 11, 2000
Assignee: Universal Security Instruments, Inc. (Owings Mills, MD)
Inventor: James Morrow (Oak Park, IL)
Primary Examiner: Marcus A. Jackson
Law Firm: Cahn & Samuels, LLP
Application Number: 0/108,483
Classifications
Current U.S. Class: D10/106
International Classification: 1005;