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1. (WO2019028227) TOOL STEEL ARTICLES FROM ADDITIVE MANUFACTURING



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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/US2018/044962 P16-06170-WO-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
02 August 2018 02 August 2017
Applicant
KENNAMETAL INC.
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)).
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)).
c.
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
a.
The figure of the drawings to be published with the abstract is Figure No.     3    
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.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     B22F 3/24 (2006.01)i; B22F 3/105 (2006.01)i; B22F 5/00 (2006.01)i; C22C 38/08 (2006.01)i; C22C 38/12 (2006.01)i; C22C 38/44 (2006.01)i; C22C 38/46 (2006.01)i; B33Y 10/00 (2015.01)i; B33Y 70/00 (2015.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & keywords: additive manufacturing, tensile strength, hardness, elongation, fracture toughness, heat treatment, annealing, quenching, tempering, hardening

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
US 2016-0215375 A1 (DAIDO STEEL CO., LTD.) 28 July 2016 See paragraphs [0008]-[0009], [0050]-[0070] and claim 1.
1-12,17-21,29-35
Y
13-16,22-28
(2)
Y
US 2016-0332236 A1 (STOYANOV, PANTCHO) 17 November 2016 See paragraph [0019] and claim 10.
13-16,27-28
(3)
Y
WO 2016-099390 A1 (UDDEHOLMS A.B.) 23 June 2016 See page 10, lines 5-12.
22-28
(4)
A
JP 2014-105373 A (CANON INC.) 09 June 2014 See paragraphs [0020], [0035]-[0046] and claims 1-5.
1-35
(5)
A
JP 06-256897 A (SUMITOMO METAL IND., LTD.) 13 September 1994 See paragraph [0023] and claim 1.
1-35
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"E"
earlier application or patent but published on or after the international filing date
"L"
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)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
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
"X"
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
"Y"
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

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
US 2016-0215375 A1
28 July 2016
CA 2918775 A1
CN 105821327 A
EP 3050649 A1
JP 2016-145407 A
28 July 2016
03 August 2016
03 August 2016
12 August 2016
US 2016-0332236 A1
17 November 2016
CN 106141180 A
DE 102016108507 A1
US 2018-0221962 A1
US 9975182 B2
23 November 2016
17 November 2016
09 August 2018
22 May 2018
WO 2016-099390 A1
23 June 2016
AU 2015-363754 A1
BR 112017009295 A2
CA 2966145 A1
CN 107109593 A
EP 3034211 A1
EP 3247815 A1
JP 2018-503739 A
KR 10-2017-0095219 A
MX 2017006100 A
SE 1550965 A1
SE 539667 C2
SG 11201702840 A
TW 201631162 A
US 2018-0044766 A1
11 May 2017
19 December 2017
23 June 2016
29 August 2017
22 June 2016
29 November 2017
08 February 2018
22 August 2017
19 September 2017
04 January 2017
24 October 2017
28 July 2017
01 September 2016
15 February 2018
JP 2014-105373 A
09 June 2014
JP 6132523 B2
24 May 2017
JP 06-256897 A
13 September 1994
JP 2959319 B2
06 October 1999
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
22 November 2018
Date of mailing of the international search report:
22 November 2018
Authorized officer:
LEE, Se Gyoung
Telephone No. +82-42-481-8740
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