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PTO
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PDF
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Dossier
Espace
Google
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Patent
D948378
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Priority
Feb 02 2021
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Filed
Feb 02 2021
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Issued
Apr 12 2022
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Expiry
Apr 12 2037
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Assg.orig
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Entity
unknown
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1
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12
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n/a
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The ornamental design for a drone aircraft, as shown and described.
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1. Drone aircraft
1.1 : Perspective
1.2 : Left
1.3 : Top
1.4 : Rear
1.5 : Right
1.6 : Bottom
1.7 : Front
Escarpenter, Alvaro, Caeiro, Martin, Burgos, Pedro
| Patent |
Priority |
Assignee |
Title |
| D336888, |
Aug 20 1991 |
United Technologies Corporation |
Helicopter |
| D357894, |
Sep 20 1993 |
TEXTRON IPMP L P ; BELL HELICOPTER MICHIGAN, INC |
Helicopter |
| D467861, |
Nov 06 2001 |
General Helicopter, Inc.; GENERAL HELICOPTER, INC |
Helicopter |
| D524227, |
May 31 2005 |
Sikorsky Aircraft Corporation |
Rigid coaxial rotor unmanned helicopter with auxiliary propulsion |
| D545755, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd |
Helicopter |
| D580845, |
Jan 19 2006 |
Silverlit Toys Manufactory, Ltd. |
Helicopter |
| D692797, |
Jul 20 2012 |
Yamaha Hatsudoki Kabushiki Kaisha |
Helicopter |
| D708273, |
Nov 20 2012 |
|
Remotely-controlled, impact-resistant model helicopter |
| D894814, |
Sep 27 2019 |
Textron Innovations Inc |
Aircraft |
| D899344, |
Jul 22 2019 |
CHONG QING LIANG JIANG AIRCRAFT DESIGN INSTITUTE LTD |
Unmanned aerial vehicle |
| D928071, |
Jan 22 2020 |
kopter group ag |
Helicopter |
| D934151, |
Feb 24 2017 |
SZ DJI TECHNOLOGY CO., LTD. |
Aerial vehicle |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a