Concessão da patente
#16.1
10 (dez) anos contados a partir de 01/12/2020, observadas as condições legais
12/01/2020
RPI 2604
Application data
Number
122017028371Type
Filing
Publication
PCT
GB2010050093 The patent was granted on 12/01/2020 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: 12/01/2020. 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 01/12/2020, observadas as condições legais
12/01/2020
RPI 2604
#9.1
09/29/2020
RPI 2595
#15.11
As Classificações Anteriores eram: E21B 17/07 , E21B 23/06 , E21B 33/129
09/10/2019
RPI 2540
05/21/2019
RPI 2524
#25.1
03/06/2019
RPI 2513
#2.4
Dividido do PI 1007234-9
02/05/2019
RPI 2509
#2.10
Protocolo nº 870170102625, em 28/12/2017; 10:33 (WB); Dividido do PI 1007234-9
01/09/2018
RPI 2453
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.