Propeller hub extrusion
Description
FIG 1 is a front elevational view of a propeller hub extrusion showing my new design, the rear elevational view being a mirror image of that shown;
FIG. 2 is a side elevational view thereof, a portion thereof being broken away to indicate indeterminate length;
FIG. 3 is a front and side perspective view thereof, a portion thereof being broken away to indicate indeterminate length.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D142610 | October 1945 | Annesley |
| 4566855 | January 28, 1986 | Costabile et al. |
| 72384 | November 1976 | AUX |
Patent History
Patent number: D310812
Type: Grant
Filed: Feb 17, 1988
Date of Patent: Sep 25, 1990
Inventor: Robert M. Bergeron (Derry, NH)
Primary Examiner: Kay H. Chin
Law Firm: Davis, Bujold & Streck
Application Number: 7/156,655
Type: Grant
Filed: Feb 17, 1988
Date of Patent: Sep 25, 1990
Inventor: Robert M. Bergeron (Derry, NH)
Primary Examiner: Kay H. Chin
Law Firm: Davis, Bujold & Streck
Application Number: 7/156,655
Classifications
