Aural/visual signalling instrument
Description
FIG. 1 is a perspective view of an aural/visual signalling instrument showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is an end elevational view thereof;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is an opposite end elevational view thereof.
The broken line showing of the human hand in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
D49090 | May 1916 | Gregory |
D56114 | August 1920 | Aronson |
D115512 | July 1939 | Barber |
D259354 | May 26, 1981 | Derrington |
Patent History
Patent number: D284487
Type: Grant
Filed: May 20, 1983
Date of Patent: Jul 1, 1986
Inventor: Richard J. Pratt (Deerfield, IL)
Primary Examiner: Charles A. Rademaker
Law Firm: Cushman, Darby & Cushman
Application Number: 6/496,665
Type: Grant
Filed: May 20, 1983
Date of Patent: Jul 1, 1986
Inventor: Richard J. Pratt (Deerfield, IL)
Primary Examiner: Charles A. Rademaker
Law Firm: Cushman, Darby & Cushman
Application Number: 6/496,665
Classifications
Current U.S. Class:
D21/100;
Wind Instrument (D17/10)