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The ornamental design for a helicopter, as shown and described.
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1. Helicopter
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Patent | Priority | Assignee | Title |
D948378, | Feb 02 2021 | ALPHA UNMANNED SYSTEMS, S L | Drone aircraft |
D976192, | Nov 19 2018 | United States of America as represented by the Secretary of the Air Force | Support for a cargo ramp |
D980333, | Aug 24 2022 | Miaoyu, Huang | Toy helicopter |
D987546, | Jan 03 2019 | BELL HELICOPTER TEXTRON INC | Aircraft landing gear |
ER9503, |
Patent | Priority | Assignee | Title |
10279885, | Apr 01 2016 | Airbus Helicopters Deutschland GmbH | Helicopter with a fuselage and a composite tail boom |
5217183, | Jul 24 1991 | Cantilevered helicopter skid | |
5562264, | Jul 22 1992 | Eurocopter France | Fuselage structure for helicopter |
9932123, | Jun 07 2011 | INNOVA HELICOPTERS TECHNOLOGY HOLDINGS NZ LIMITED; K C HELICOPTERS LIMITED | Monocoque helicopter fuselage with integral tail boom |
20180244368, | |||
239930, | |||
D524718, | May 31 2005 | Sikorsky Aircraft Corporation | Rigid coaxial rotor helicopter with dual auxiliary propulsion |
D526269, | May 31 2005 | Sikorsky Aircraft Corporation | High speed attack rotorcraft |
D730803, | Jan 20 2014 | Bell Helicopter Textron Inc. | Short light single helicopter |
D817253, | Jan 20 2016 | HANSUNG ILS CO., LTD. | Helicopter |
D894814, | Sep 27 2019 | Textron Innovations Inc | Aircraft |
D896730, | Sep 27 2019 | Textron Innovations Inc | Combined aircraft fuselage and empennage |
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Jan 22 2020 | kopter group ag | (assignment on the face of the patent) | / | |||
Jul 01 2021 | LÖWENSTEIN, ANDREAS | kopter group ag | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 056732 | /0457 |
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