Aeronautical template
Description
FIG. 1 is a perspective view of an aeronautical template showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof; and
FIG. 4 is a top plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
| D226450 | March 1973 | Ajus et al. |
| 3633286 | January 1972 | Maurer |
| 3911584 | October 1975 | Ajus et al. |
- Art Brown & Bro., Inc., .COPYRGT.1973, Supplier of Artists' Materials, p. 136, bottom left, Aircraft Engineer Curves.
Patent History
Patent number: D292716
Type: Grant
Filed: Apr 5, 1985
Date of Patent: Nov 10, 1987
Inventor: Wayne F. Hallgren (USAFA, CO)
Primary Examiner: Winifred E. Herrmann
Attorney: Timothy J. Martin
Application Number: 6/720,372
Type: Grant
Filed: Apr 5, 1985
Date of Patent: Nov 10, 1987
Inventor: Wayne F. Hallgren (USAFA, CO)
Primary Examiner: Winifred E. Herrmann
Attorney: Timothy J. Martin
Application Number: 6/720,372
Classifications
