EP2805796A4 - Highly efficient cutting and grinding wheel designed to retain its shape - Google Patents

Highly efficient cutting and grinding wheel designed to retain its shape

Info

Publication number
EP2805796A4
EP2805796A4 EP13738994.6A EP13738994A EP2805796A4 EP 2805796 A4 EP2805796 A4 EP 2805796A4 EP 13738994 A EP13738994 A EP 13738994A EP 2805796 A4 EP2805796 A4 EP 2805796A4
Authority
EP
European Patent Office
Prior art keywords
retain
shape
grinding wheel
highly efficient
efficient cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13738994.6A
Other languages
German (de)
French (fr)
Other versions
EP2805796B1 (en
EP2805796A1 (en
Inventor
Jingxin Song
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin Champion Union Diamond Co Ltd
Original Assignee
Guilin Champion Union Diamond Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201210013305.7A external-priority patent/CN102528676B/en
Priority claimed from CN201210013504.8A external-priority patent/CN102528677B/en
Priority claimed from CN201210013303.8A external-priority patent/CN102554810B/en
Application filed by Guilin Champion Union Diamond Co Ltd filed Critical Guilin Champion Union Diamond Co Ltd
Priority to PL13738994T priority Critical patent/PL2805796T3/en
Publication of EP2805796A1 publication Critical patent/EP2805796A1/en
Publication of EP2805796A4 publication Critical patent/EP2805796A4/en
Application granted granted Critical
Publication of EP2805796B1 publication Critical patent/EP2805796B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with cooling provisions, e.g. with radial slots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/12—Cut-off wheels
EP13738994.6A 2012-01-17 2013-01-16 Grinding method Active EP2805796B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13738994T PL2805796T3 (en) 2012-01-17 2013-01-16 Grinding method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201210013305.7A CN102528676B (en) 2012-01-17 2012-01-17 Internal cooling type grinding wheel for external cooling type grinding machine
CN201210013504.8A CN102528677B (en) 2012-01-17 2012-01-17 High-efficiency cutting grinding wheel
CN201210013303.8A CN102554810B (en) 2012-01-17 2012-01-17 Anti-deformation special-shaped grinding wheel
PCT/CN2013/070506 WO2013107339A1 (en) 2012-01-17 2013-01-16 Highly efficient cutting and grinding wheel designed to retain its shape

Publications (3)

Publication Number Publication Date
EP2805796A1 EP2805796A1 (en) 2014-11-26
EP2805796A4 true EP2805796A4 (en) 2015-09-23
EP2805796B1 EP2805796B1 (en) 2018-08-15

Family

ID=48798629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13738994.6A Active EP2805796B1 (en) 2012-01-17 2013-01-16 Grinding method

Country Status (9)

Country Link
US (1) US20140329448A1 (en)
EP (1) EP2805796B1 (en)
JP (1) JP5922798B2 (en)
KR (1) KR20140121416A (en)
CA (1) CA2861578C (en)
ES (1) ES2696648T3 (en)
PL (1) PL2805796T3 (en)
RU (1) RU2607062C2 (en)
WO (1) WO2013107339A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206732729U (en) * 2017-03-17 2017-12-12 桂林创源金刚石有限公司 A kind of diamond abnormity emery wheel and vertical processing cooling system
CN112692739B (en) * 2021-01-26 2022-06-28 山东理工大学 Body armor type grinding wheel internally storing micro-nano abrasive particle mixed shear thickening fluid
RU209551U1 (en) * 2021-11-22 2022-03-17 Алексей Александрович Пикунов contact wheel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851737A1 (en) * 1978-11-30 1980-07-10 Ver Glaswerke Gmbh COOLED GRINDING WHEEL
US5423717A (en) * 1993-10-04 1995-06-13 Ford Motor Company Grinding wheel assembly
WO2010013278A1 (en) * 2008-07-31 2010-02-04 Adi S.P.A. Grinding wheel, particularly for grinding work at a high feed speed

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282263A (en) * 1963-07-29 1966-11-01 Christensen Diamond Prod Co Face discharge cutting blades
US3641718A (en) * 1969-07-31 1972-02-15 Gen Motors Corp Abrasive cutting tool
DD215736B1 (en) * 1983-05-26 1987-10-14 Werkzeugmasch Okt Veb GRINDING BOLT WITH INNER COOLING AND RELATED GRINDING BODY RECEIPT
FR2752762B1 (en) * 1996-08-29 1998-10-02 Snecma GRINDING WHEEL WITH BUILT-IN WATERING
US6358133B1 (en) * 1998-02-06 2002-03-19 3M Innovative Properties Company Grinding wheel
AU2019999A (en) * 1998-02-06 1999-08-23 Minnesota Mining And Manufacturing Company Grinding wheel with layered abrasive surface
JP2001219348A (en) * 2000-02-04 2001-08-14 Bando Kiko Kk Method and device for grinding peripheral edge of plate glass
JP4545906B2 (en) * 2000-09-04 2010-09-15 本田技研工業株式会社 Tooth groove processing method
DE10103435C2 (en) * 2001-01-25 2003-03-27 Ulmer Werkzeug Schleiftechnik Grinding tool and process for its manufacture
JP2002264022A (en) * 2001-03-06 2002-09-18 Hitachi Ltd Grinding wheel
US6739960B2 (en) * 2001-12-14 2004-05-25 United Technologies Corporation Turbine ported grinding wheels
AT414105B (en) * 2003-09-04 2006-09-15 Schrottner Gerhard COVER FOR MEDIUM GUIDANCE ON GRINDING WHEELS
JP2005349546A (en) * 2004-06-14 2005-12-22 Sankyo Diamond Industrial Co Ltd Grinding tool for side surface circular machining
JP2008207284A (en) * 2007-02-27 2008-09-11 Kyocera Corp Boring tool
JP2009208215A (en) * 2008-03-06 2009-09-17 Jtekt Corp Grooved rotating grinding wheel, and grinder
CN101596702A (en) * 2008-06-02 2009-12-09 长葛市飞亚精密磨具厂 A kind of special-shape diamond grinding wheel
CN202283689U (en) * 2011-10-10 2012-06-27 柘城县鸿祥超硬材料有限公司 Special-shaped wheel
JP2015006697A (en) * 2011-10-31 2015-01-15 旭硝子株式会社 Processing device and processing method of plate-like object
CN102528676B (en) * 2012-01-17 2015-05-06 桂林创源金刚石有限公司 Internal cooling type grinding wheel for external cooling type grinding machine
CN102554810B (en) * 2012-01-17 2014-12-03 桂林创源金刚石有限公司 Anti-deformation special-shaped grinding wheel
CN102528677B (en) * 2012-01-17 2015-04-15 桂林创源金刚石有限公司 High-efficiency cutting grinding wheel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851737A1 (en) * 1978-11-30 1980-07-10 Ver Glaswerke Gmbh COOLED GRINDING WHEEL
US5423717A (en) * 1993-10-04 1995-06-13 Ford Motor Company Grinding wheel assembly
WO2010013278A1 (en) * 2008-07-31 2010-02-04 Adi S.P.A. Grinding wheel, particularly for grinding work at a high feed speed

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013107339A1 *

Also Published As

Publication number Publication date
RU2014133656A (en) 2016-03-20
PL2805796T3 (en) 2020-04-30
RU2607062C2 (en) 2017-01-10
KR20140121416A (en) 2014-10-15
JP5922798B2 (en) 2016-05-24
CA2861578A1 (en) 2013-07-25
EP2805796B1 (en) 2018-08-15
JP2015503466A (en) 2015-02-02
CA2861578C (en) 2021-03-16
WO2013107339A1 (en) 2013-07-25
ES2696648T3 (en) 2019-01-17
US20140329448A1 (en) 2014-11-06
EP2805796A1 (en) 2014-11-26

Similar Documents

Publication Publication Date Title
GB2509046B (en) Improvement in or relating to capsules
HK1207603A1 (en) Improvements in and relating to paperboard manufacture
GB201316224D0 (en) Improvements in or relating to stairlifts
EP2892967A4 (en) Polyp yrrol1done polishing compost-ion and method
GB2503279B (en) Improvements in and relating to valves
EP2667754A4 (en) Herb grinder
PL2932627T3 (en) Improvements in and relating to antennas
GB201115472D0 (en) Improvements in or relating to wheels
GB201216625D0 (en) Improvements in or relating to abrasive machining
EP2805796A4 (en) Highly efficient cutting and grinding wheel designed to retain its shape
GB201221352D0 (en) Cold cutting/grinding disc
GB201215061D0 (en) Improvements in and relating to emergencies
GB2503273B (en) Improvements in and relating to aircraft
KR101279377B9 (en) Pepper grinders
AU344290S (en) Grinding tool
IL239525A0 (en) Herb grinder
GB2510810B (en) Improvements in or relating to stairlifts
GB201318710D0 (en) Improvements in or relating to vehicles
GB201222530D0 (en) Improvements in or relating to cutting material
PL2712337T3 (en) Abrasive cutting-off wheel
GB2503199B (en) Improvements in or relating to stairlifts
GB2499408B (en) Improvements in or relating to stairlifts
EP2897766A4 (en) Grinding tools with guards
GB2499409B (en) Improvements in or relating to stairlifts
GB201222609D0 (en) Improvements in and relating to antennas

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140815

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150821

RIC1 Information provided on ipc code assigned before grant

Ipc: B24D 5/10 20060101AFI20150817BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20161209

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20180404

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: GB

Ref legal event code: FG4D

Ref country code: AT

Ref legal event code: REF

Ref document number: 1029215

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180815

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602013042027

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180815

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1029215

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180815

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2696648

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20190117

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181116

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181115

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181115

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181215

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602013042027

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20190516

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190116

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190131

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190131

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PL

Payment date: 20190116

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181215

Ref country code: MT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20130116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180815

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200116

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20230201

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20230111

Year of fee payment: 11

Ref country code: DE

Payment date: 20230111

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231222

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231222

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20240202

Year of fee payment: 12