Helicopter windshield unit
Description
FIG. 1 is a front, right side perspective view of a helicopter windshield showing my new design;
FIG. 2 is a front, left side perspective view thereof.
The helicopter shown in broken lines is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
| D170247 | August 1953 | Strong |
| 3133715 | May 1964 | Grunfelder |
Patent History
Patent number: D304438
Type: Grant
Filed: May 21, 1987
Date of Patent: Nov 7, 1989
Assignee: Heli Plex, Inc. (Arlington, TX)
Inventor: Herman H. Waldrup (Arlington, TX)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: Charles D. Gunter, Jr.
Application Number: 7/52,570
Type: Grant
Filed: May 21, 1987
Date of Patent: Nov 7, 1989
Assignee: Heli Plex, Inc. (Arlington, TX)
Inventor: Herman H. Waldrup (Arlington, TX)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: Charles D. Gunter, Jr.
Application Number: 7/52,570
Classifications
