Helicopter
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Description
1. Helicopter
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Claims
The ornamental design for a helicopter, as shown and described.
Referenced Cited
U.S. Patent Documents
| D239930 | May 1976 | Ulisnik |
| 5217183 | June 8, 1993 | Liautaud |
| 5562264 | October 8, 1996 | Bietenhader |
| D524718 | July 11, 2006 | Scott |
| D526269 | August 8, 2006 | Eadie |
| D730803 | June 2, 2015 | Hoover |
| 9932123 | April 3, 2018 | Maloney |
| D817253 | May 8, 2018 | Jeong |
| 10279885 | May 7, 2019 | Fink |
| D894814 | September 1, 2020 | Kooiman |
| D896730 | September 22, 2020 | Kooiman |
| 20180244368 | August 30, 2018 | Vogl |
Patent History
Patent number: D928071
Type: Grant
Filed: Jan 22, 2020
Date of Patent: Aug 17, 2021
Assignee: kopter group ag (Mollis)
Inventor: Andreas Löwenstein (Wetzikon)
Primary Examiner: George D. Kirschbaum
Assistant Examiner: Joseph J Kukella
Application Number: 35/508,890
Type: Grant
Filed: Jan 22, 2020
Date of Patent: Aug 17, 2021
Assignee: kopter group ag (Mollis)
Inventor: Andreas Löwenstein (Wetzikon)
Primary Examiner: George D. Kirschbaum
Assistant Examiner: Joseph J Kukella
Application Number: 35/508,890
Classifications