Smoke detector
Description
FIG. 1 is a perspective view of the smoke detector according to my new design;
FIG. 2 is a top view of the smoke detector according to my new design;
FIG. 3 is a side view of the smoke detector shown in FIG. 1; and,
FIG. 4 is an additional side view of the smoke detector shown in FIG. 1.
Referenced Cited
Patent History
Patent number: D346981
Type: Grant
Filed: Jan 29, 1992
Date of Patent: May 17, 1994
Assignee: Management Investment & Technology, Ltd. (Hong Kong)
Inventor: Larry R. Ratzlaff (Elgin, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Law Firm: McDermott, Will & Emery
Application Number: 7/827,966
Type: Grant
Filed: Jan 29, 1992
Date of Patent: May 17, 1994
Assignee: Management Investment & Technology, Ltd. (Hong Kong)
Inventor: Larry R. Ratzlaff (Elgin, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Law Firm: McDermott, Will & Emery
Application Number: 7/827,966
Classifications
Current U.S. Class:
D10/106