|
The ornamental design for a helicopter, as shown and described. |
|||||||||||||||||
FIG. 1 is a left side elevational view of a helicopter showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
| Patent | Priority | Assignee | Title |
| D363054, | Aug 30 1994 | TEXTRON IPMP L P ; BELL HELICOPTER MICHIGAN, INC | Helicopter |
| D375077, | Jan 24 1995 | TEXTRON IPMP L P ; BELL HELICOPTER MICHIGAN, INC | Helicopter |
| D388048, | May 13 1996 | TEXTRON IPMP L P ; BELL HELICOPTER MICHIGAN, INC | Helicopter |
| D705407, | Dec 20 2012 | Ceiling fan | |
| D730803, | Jan 20 2014 | Bell Helicopter Textron Inc. | Short light single helicopter |
| D817253, | Jan 20 2016 | HANSUNG ILS CO., LTD. | Helicopter |
| D980333, | Aug 24 2022 | Miaoyu, Huang | Toy helicopter |
| ER3277, | |||
| ER7892, |
| Patent | Priority | Assignee | Title |
| 193370, | |||
| 239710, | |||
| 242338, | |||
| D271390, | Apr 28 1980 | NETHERWOOD, JOHN | Helicopter |
| D278227, | Aug 05 1980 | TEXTRON IPMP L P ; BELL HELICOPTER MICHIGAN, INC | Helicopter |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 07 1991 | SHALLENE, FRANK M | BELL HELICOPTER TEXTRON INC A CORPORATION OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 005801 | /0624 | |
| Aug 09 1991 | Bell Helicopter Textron Inc. | (assignment on the face of the patent) | / | |||
| Apr 01 2001 | BELL HELLCOPTER MICHIGAN, INC | TEXTRON IPMP L P | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016283 | /0404 | |
| Apr 01 2001 | BELL HELICOPTER TEXTRON, INC | BELL HELICOPTER MICHIGAN, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016283 | /0439 |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |