Rotor blade

Description

FIG. 1 is a front perspective view of a rotor blade showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines in the drawings depict portions of the rotor blade that form no part of the claimed design.

Claims

CLAIM The ornamental design for a rotor blade, as shown and described.

---

Inventors:	Foskey; Christopher E. (Keller, TX), Lanigan; Brendan P. (Grapevine, TX)
Applicant:	Name City State Country Type Bell Helicopter Textron Inc. Fort Worth TX US
Assignee:	Bell Helicopter Textron Inc. (Fort Worth, TX)
Appl. No.:	D/636,525
Filed:	February 8, 2018

---

Related U.S. Patent Documents

---

	Application Number	Filing Date	Patent Number	Issue Date
	15843039	Dec 15, 2017	10604234

---

Current U.S. Class:	D12/214
Current International Class:	1216
Field of Search:	;D12/214,317,319,344,16.1,328,330,345 ;D15/4,5 ;D13/115 ;D21/441,442 ;D23/411,413

---

References Cited [Referenced By]

---

U.S. Patent Documents

D172121	May 1954	Apostolescu
4976587	December 1990	Johnston et al.
D344487	February 1994	Iwamoto
D439324	March 2001	Wood
D517986	March 2006	Wobben
7594625	September 2009	Robertson et al.
D633956	March 2011	Cheng
D639239	June 2011	Gudewer
8016566	September 2011	Agnihotri et al.
D646728	October 2011	Cheng
8303250	November 2012	Mohammed et al.
D678837	March 2013	Ruiz de Gordejuela Diaz de Tuesta
8403642	March 2013	Carroll et al.
8622707	January 2014	Mashue
D706705	June 2014	Long
D721329	January 2015	Rebsdorf
D721800	January 2015	Busta
9056674	June 2015	White
D738824	September 2015	Hoffmann
9120564	September 2015	White
D742500	November 2015	Pan
D743530	November 2015	Pan
D750560	March 2016	Altmikus
D792318	July 2017	Du
D806227	December 2017	Ruan
D807823	January 2018	Suzuki
10604234	March 2020	Foskey et al.
2009/0252614	October 2009	Schibsbye
2010/0215494	August 2010	Bech et al.
2013/0209264	August 2013	Mashue et al.
2014/0271215	September 2014	Measom et al.
2014/0301856	October 2014	Oldroyd et al.

Foreign Patent Documents

	2078852		Jul 2009		EP
	2341245		Jul 2011		EP
	3415422		Dec 2018		EP
	3415422 BI		Jul 2019		EP
	2333929		Mar 2010		ES
	2004067380		Aug 2004		WO
	2007105174		Sep 2007		WO
	2012051717		Apr 2012		WO
	2016075619		May 2016		WO

Other References

CA Office Action, dated Dec. 3, 2019, by the CIPO, re CA Patent App No. 2,995,889. cited by applicant . Notice of Allowance, dated Jan. 14, 2020, by the USPTO, re U.S. Appl. No. 15/843,039. cited by applicant . Communication under Rule 71(3) EPC--Intention to Grant, dated Apr. 17, 2019, by the EPO re EP Patent App No. 18157738.8. cited by applicant . Decision to Grant, dated Jul. 4, 2019, by the EPO, re EP Patent App No. 18157738.8. cited by applicant . European Search Report, dated Apr. 16, 2018, by the EPO, re EP Patent Application No. 18157738.8. cited by applicant . EP Exam Report, dated Oct. 25, 2018, by the EPO, re EP Patent App No. 18157738.8. cited by applicant . Defense News; Bell Helicopter `within days` of first ground trials for V-280 Valor tilt-rotor; https://www.defensenews.com/land/2017/09/08/bell-helicopter-within-days-o- f-first-ground-runs-for-v-280-valor/; Sep. 7, 2017. cited by applicant . CA Office Action, dated Feb. 13, 2019, by the CIPO, re CA Patent App No. 2,995,889. cited by applicant . European Exam Report, dated May 8, 2018, by the EPO, re EP Application No. 18157738.8. cited by applicant . Office Action, dated Sep. 6, 2019, by the USPTO, re U.S. Appl. No. 15/843,039. cited by applicant.

Primary Examiner: Wilson; Michelle E.
Assistant Examiner: Moore, Jr.; Clese
Attorney, Agent or Firm: Timmer Law Group, PLLC

Images