Concessão da patente
#16.1
20 (vinte) anos contados a partir de 09/04/2009, observadas as condições legais
04/02/2019
RPI 2517
The patent was granted on 04/02/2019 and is in force until 04/09/2024. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:04/09/2024
Latest action published by the INPI: 04/02/2019. We update with every new RPI gazette, published weekly.
Applicants
NATIONAL COUPLING COMPANY, INC.
US
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
20 (vinte) anos contados a partir de 09/04/2009, observadas as condições legais
04/02/2019
RPI 2517
#9.1
01/22/2019
RPI 2507
#15.11
A Classificação Anterior era: E21B 33/068
01/15/2019
RPI 2506
#2.4
Dividido do PI 0900975-2
11/13/2018
RPI 2497
#2.10
Protocolo nº 870180131286, em 17/09/2018; 17:32 (WB); Dividido do PI 0900975-2
10/16/2018
RPI 2493
From the same holder
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