Combined whistle and cricket noise maker for use as a divers signal above and below the water surface

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Description

FIG. 1 is a view of the mouthpiece end and one side of the combined whistle and cricket noise maker for use as a divers signal above and below the water surface embodying our design;

FIG. 2 is an end view of the signaling device of FIG. 1;

FIG. 3 is a side view of the signaling device;

FIG. 4 is a top view of the signaling device;

FIG. 5 is a view of the opposite end from FIG. 2; and

FIG. 6 is a bottom view of the signaling device.

Referenced Cited
U.S. Patent Documents
D32982 July 1900 Jackson
2056623 October 1936 Scott
3139087 June 1964 Liberatore
Patent History
Patent number: D266492
Type: Grant
Filed: Mar 3, 1980
Date of Patent: Oct 12, 1982
Inventors: Karl E. Oppermann, Sr. (Houston, TX), Karl E. Oppermann, Jr. (Houston, TX)
Primary Examiner: Susan J. Lucas
Law Firm: Vaden, Eickenroht, Thompson, Bednar & Jamison
Application Number: 6/126,863
Classifications
Current U.S. Class: D10/119
International Classification: D1006;