Concessão da patente
#16.1
10 (dez) anos contados a partir de 17/11/2020, observadas as condições legais
11/17/2020
RPI 2602
Application data
Number
122018012434Type
Filing
Publication
PCT
GB2010050093 The patent was granted on 11/17/2020 and is in force until 01/22/2025. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:01/22/2025
Latest action published by the INPI: 11/17/2020. We update with every new RPI gazette, published weekly.
Applicants
PETROWELL LIMITED
GB
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
US
Inventors
A. E. (pessoa física)
GB
I. M. (pessoa física)
GB
S. R. (pessoa física)
GB
IPC Classification
Priority claims
GB
0901034.9 · 01/22/2009
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10 (dez) anos contados a partir de 17/11/2020, observadas as condições legais
11/17/2020
RPI 2602
#9.1
09/01/2020
RPI 2591
#6.1
05/21/2019
RPI 2524
#15.11
As Classificações Anteriores eram: E21B 17/07 , E21B 23/06 , E21B 33/129
04/02/2019
RPI 2517
#25.1
04/02/2019
RPI 2517
10/30/2018
RPI 2495
#2.4
1º dividido do PI 1007234-9
07/31/2018
RPI 2482
#2.10
Protocolo nº 870180052208, em 18/06/2018; 15:56 (WB); 2ºdividido do PI 1007234-9
06/26/2018
RPI 2477
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.