Propeller

- Teknovent Oy

Latest Teknovent Oy Patents:

Description

FIG. 1 is a front and right side perspective view of a propeller showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front and right side perspective view of a second embodiment of the propeller;

FIG. 6 is a front elevational view of FIG. 5;

FIG. 7 is a left side elevational view of FIG. 5;

FIG. 8 is a rear elevational view of FIG. 5;

FIG. 9 is a front right side perspective view of a third embodiment of the propeller;

FIG. 10 is a front elevational view of FIG. 9;

FIG. 11 is a left side elevational view of FIG. 9; and,

FIG. 12 is a rear elevational view of FIG. 9.

Referenced Cited
U.S. Patent Documents
D297761 September 20, 1988 Shiraki
2390879 December 1945 Hagen
Foreign Patent Documents
670541 September 1963 CAX
2084664 April 1982 GBX
Patent History
Patent number: D326080
Type: Grant
Filed: Nov 2, 1989
Date of Patent: May 12, 1992
Assignee: Teknovent Oy (Martinniemi)
Inventor: Heikki Vartiala (Helsinki)
Primary Examiner: Kay H. Chin
Law Firm: Ladas & Parry
Application Number: 7/430,788
Classifications
Current U.S. Class: Propeller (D12/214)