Underwater propulsion unit

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Description

FIG. 1 is a perspective view of the underwater propulsion unit taken from the front, top and left side, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for an underwater propulsion unit, as shown and described.

Referenced Cited
U.S. Patent Documents
D304923 December 5, 1989 Pado
D323808 February 11, 1992 DeSantis
5303666 April 19, 1994 DeSantis et al.
D359022 June 6, 1995 Lashman
5423278 June 13, 1995 Lashman
D447109 August 28, 2001 Paoli et al.
D471506 March 11, 2003 Mah
Other references
  • Diver's Supply, Spring Summer 2003, p. 76 (1 page).
Patent History
Patent number: D524225
Type: Grant
Filed: Aug 13, 2004
Date of Patent: Jul 4, 2006
Inventor: Toshikatsu Tsutsumi (Kurashiki, Okayama 710-0025)
Primary Examiner: Holly Baynham
Assistant Examiner: Cynthia M. Chin
Attorney: Koda & Androlia
Application Number: 29/211,285
Classifications
Current U.S. Class: Submersible (D12/308)