Rotor blade

Information

  • Patent Grant
  • D891351
  • Patent Number
    D891,351
  • Date Filed
    Thursday, February 8, 2018
    6 years ago
  • Date Issued
    Tuesday, July 28, 2020
    4 years ago
  • US Classifications
    Field of Search
    • US
    • D12 214
    • D12 317
    • D12 319
    • D12 344
    • D12 161
    • D12 328
    • D12 330
    • D12 345
    • D15 4
    • D15 5
    • D13 115
    • D21 441
    • D21 442
    • D23 411
    • D23 413
    • CPC
    • B64C11/00
    • B64C11/02
    • B64C11/16
    • B64C27/08
    • B64C39/024
    • B64C2201/108
  • International Classifications
    • 1216
    • Term of Grant
      15Years
Abstract
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
  • The ornamental design for a rotor blade, as shown and described.
US Referenced Citations (32)
Number Name Date Kind
D172121 Apostolescu May 1954 S
4976587 Johnston et al. Dec 1990 A
D344487 Iwamoto Feb 1994 S
D439324 Wood Mar 2001 S
D517986 Wobben Mar 2006 S
7594625 Robertson et al. Sep 2009 B2
D633956 Cheng Mar 2011 S
D639239 Gudewer Jun 2011 S
8016566 Agnihotri et al. Sep 2011 B2
D646728 Cheng Oct 2011 S
8303250 Mohammed et al. Nov 2012 B2
D678837 Ruiz de Gordejuela Diaz de Tuesta Mar 2013 S
8403642 Carroll et al. Mar 2013 B2
8622707 Mashue Jan 2014 B2
D706705 Long Jun 2014 S
D721329 Rebsdorf Jan 2015 S
D721800 Busta Jan 2015 S
9056674 White Jun 2015 B2
D738824 Hoffmann Sep 2015 S
9120564 White Sep 2015 B1
D742500 Pan Nov 2015 S
D743530 Pan Nov 2015 S
D750560 Altmikus Mar 2016 S
D792318 Du Jul 2017 S
D806227 Ruan Dec 2017 S
D807823 Suzuki Jan 2018 S
10604234 Foskey et al. Mar 2020 B2
20090252614 Schibsbye Oct 2009 A1
20100215494 Bech et al. Aug 2010 A1
20130209264 Mashue et al. Aug 2013 A1
20140271215 Measom et al. Sep 2014 A1
20140301856 Oldroyd et al. Oct 2014 A1
Foreign Referenced Citations (9)
Number Date Country
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
Non-Patent Literature Citations (10)
Entry
CA Office Action, dated Dec. 3, 2019, by the CIPO, re CA Patent App No. 2,995,889.
Notice of Allowance, dated Jan. 14, 2020, by the USPTO, re U.S. Appl. No. 15/843,039.
Communication under Rule 71(3) EPC—Intention to Grant, dated Apr. 17, 2019, by the EPO re EP Patent App No. 18157738.8.
Decision to Grant, dated Jul. 4, 2019, by the EPO, re EP Patent App No. 18157738.8.
European Search Report, dated Apr. 16, 2018, by the EPO, re EP Patent Application No. 18157738.8.
EP Exam Report, dated Oct. 25, 2018, by the EPO, re EP Patent App No. 18157738.8.
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-of-first-ground-runs-for-v-280-valor/; Sep. 7, 2017.
CA Office Action, dated Feb. 13, 2019, by the CIPO, re CA Patent App No. 2,995,889.
European Exam Report, dated May 8, 2018, by the EPO, re EP Application No. 18157738.8.
Office Action, dated Sep. 6, 2019, by the USPTO, re U.S. Appl. No. 15/843,039.
Continuations (1)
Number Date Country
Parent 15843039 Dec 2017 US
Child 29636525 US