Rotor blade
Latest Bell Helicopter Textron Inc. Patents:
Description
The broken lines in the drawings depict portions of the rotor blade that form no part of the claimed design.
Claims
The ornamental design for a rotor blade, as shown and described.
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Patent History
Patent number: D891351
Type: Grant
Filed: Feb 8, 2018
Date of Patent: Jul 28, 2020
Assignee: Bell Helicopter Textron Inc. (Fort Worth, TX)
Inventors: Christopher E. Foskey (Keller, TX), Brendan P. Lanigan (Grapevine, TX)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Clese Moore, Jr.
Application Number: 29/636,525
Type: Grant
Filed: Feb 8, 2018
Date of Patent: Jul 28, 2020
Assignee: Bell Helicopter Textron Inc. (Fort Worth, TX)
Inventors: Christopher E. Foskey (Keller, TX), Brendan P. Lanigan (Grapevine, TX)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Clese Moore, Jr.
Application Number: 29/636,525
Classifications
Current U.S. Class:
Propeller (D12/214)