EURASIAN PATENT REGISTER (INVENTIONS)

Eurasian Patent for Invention № 034198

BIBLIOGRAPHIC DATA

(11) Patent Number	034198
Date of Registration in the Register of Eurasian Patents	2020.01.15
(21) Application Number	201890853
(22) Filling Date	2017.02.21
(51) IPC	*E21B 43/22* (2006.01) *E21B 43/27* (2006.01) *C09K 8/57* (2006.01) *C09K 8/72* (2006.01) C09K 8/92 (2006.01)
(43)(13) Application Publication Date(s), Kind Code(s)	A1 2018.09.28 Issue No 09 title title, specification
(45)(13) Patent Publication Date(s), Kind Code(s)	B1 2020.01.16 Issue No 01 title, specification
(31) Number(s) assigned to Priority Application(s)	2016135679
(32) Date(s) of filing of Priority Application(s)	2016.09.02
(33) Priority Application Office	RU
(86) PCT Application Number	RU2017/000086
(87) PCT Publication Number	2018/044200 2018.03.08
(71) Applicant(s)	ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "ВИ-ЭНЕРДЖИ" (RU)
(72) Inventor(s)	Сергеев Виталий Вячеславович (RU)
(73) Patent Owner(s)	ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "ВИ-ЭНЕРДЖИ" (RU)
(54) Title	СПОСОБ ОБРАБОТКИ ПРИЗАБОЙНОЙ ЗОНЫ ПЛАСТА

REPRESENTATIVES

Patent Owner's Representative(s)	ЛОВЦОВ Сергей Викторович (RU),ЛЕВЧУК Денис Владимирович (RU),ВИЛЕСОВ Александр Сергеевич (RU),КОПТЕВА Татьяна Владимировна (RU),ЯСИНСКИЙ Сергей Ярославович (RU)
Correspondence Address	ООО "Патентно-правовая фирма "ЮС", пл. Малая Сухаревская, д. 12, г. Москва, 127051, Россия

INFORMATION ON LEGAL STATUS CHANGES

MM4A
Lapse of a Eurasian patent in a Contracting State due to non-payment within the time limit of renewal fees

Issue: 2021-09
Date: 2021.09.08

Code of state, where the patent has lapsed:
AM, BY, KG, TJ
Lapse date: 2021.02.22.

VALIDITY IN CONTRACTING STATES AND THE REPUBLIC OF MOLDOVA

First annual fee payment due date

2020.04.21

Validity of the patent in the territory of Contracting States and the Republic of Moldova

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