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International application No. Applicant's or agent's file reference
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
27 December 2019 27 December 2018
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
none of the figures is to be published with the abstract.


     D06F 39/00 (2020.01)i; D06F 39/04 (2006.01)i; A47L 15/42 (2006.01)n
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
     D06F; A47L
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
EP 2767629 B1 (LG ELECTRONICS INC [KR]) 20 January 2016 (2016-01-20)
cited in the application
paragraph [0138]; figure 4
EP 1505193 A2 (SAMSUNG ELECTRONICS CO LTD [KR]) 09 February 2005 (2005-02-09)
figure 1
EP 2860300 A1 (PANASONIC IP MAN CO LTD [JP]) 15 April 2015 (2015-04-15)
paragraphs [0012], [0055]; figures 1, 8
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
earlier application or patent but published on or after the international filing date
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
document member of the same patent family


Patent document cited in search report Publication date
Patent family member(s) Publication date
EP 2767629 B1
20 January 2016
AU 2013219178 A1
AU 2013219179 A1
BR 102013022218 A2
BR 102013022742 A2
CN 103981675 A
CN 103981676 A
EP 2767629 A1
EP 2767630 A1
EP 3623522 A1
ES 2564024 T3
JP 6347931 B2
JP 6441560 B2
JP 2014151187 A
JP 2014151188 A
PL 2767629 T3
RU 2013140188 A
RU 2013140189 A
US 2014223667 A1
US 2014223970 A1
US 2019186067 A1
28 August 2014
28 August 2014
26 January 2016
11 November 2014
13 August 2014
13 August 2014
20 August 2014
20 August 2014
18 March 2020
17 March 2016
27 June 2018
19 December 2018
25 August 2014
25 August 2014
29 July 2016
10 March 2015
10 March 2015
14 August 2014
14 August 2014
20 June 2019
EP 1505193 A2
09 February 2005
EP 1505193 A2
KR 20050015758 A
US 2005028298 A1
09 February 2005
21 February 2005
10 February 2005
EP 2860300 A1
15 April 2015
CN 104246054 A
EP 2860300 A1
JP 2013252239 A
SI 2860300 T1
WO 2013183258 A1
24 December 2014
15 April 2015
19 December 2013
30 October 2017
12 December 2013
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
14 February 2020
Date of mailing of the international search report:
02 March 2020
Authorized officer:
Diaz y Diaz-Caneja
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